{"id":1728,"date":"2025-11-12T12:23:00","date_gmt":"2025-11-12T12:23:00","guid":{"rendered":"https:\/\/nexoratest.ir\/frequently-asked-questions\/"},"modified":"2026-02-01T14:03:05","modified_gmt":"2026-02-01T14:03:05","slug":"frequently-asked-questions","status":"publish","type":"page","link":"https:\/\/toseteflonseal.com\/en\/frequently-asked-questions\/","title":{"rendered":"FAQ"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"1728\" class=\"elementor elementor-1728 elementor-104\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8aeadbb elementor-section-height-min-height elementor-section-items-bottom wd-section-stretch elementor-section-boxed elementor-section-height-default\" data-id=\"8aeadbb\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5d27a93\" data-id=\"5d27a93\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9e9bf49 elementor-icon-list--layout-inline elementor-align-center elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"9e9bf49\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items elementor-inline-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#general-faq\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">General questions<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#technical-guide\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Grade selection guide<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#custom-product-faq\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Custom product questions<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#operating-conditions\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Operating conditions<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#adaptation-faq\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Questions on pressure and temperature compatibility<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#price-delivery-faq\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Questions on pricing, delivery time and ordering terms<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eb5b845 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"eb5b845\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:200}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Frequently asked questions<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"wd-negative-gap elementor-section elementor-top-section elementor-element elementor-element-1eb1723 wd-section-stretch elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1eb1723\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d51b874\" data-id=\"d51b874\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8d13968 elementor-widget elementor-widget-spacer\" data-id=\"8d13968\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2ccad85 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2ccad85\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-929d2fd\" data-id=\"929d2fd\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e7c878b elementor-widget elementor-widget-image\" data-id=\"e7c878b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"493\" src=\"https:\/\/toseteflonseal.com\/wp-content\/uploads\/2025\/12\/washers-ptfe-tosee-teflon.webp\" class=\"attachment-full size-full wp-image-1637\" alt=\"\" srcset=\"https:\/\/toseteflonseal.com\/wp-content\/uploads\/2025\/12\/washers-ptfe-tosee-teflon.webp 800w, https:\/\/toseteflonseal.com\/wp-content\/uploads\/2025\/12\/washers-ptfe-tosee-teflon-300x185.webp 300w, https:\/\/toseteflonseal.com\/wp-content\/uploads\/2025\/12\/washers-ptfe-tosee-teflon-768x473.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-9652a3c\" data-id=\"9652a3c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3b6b0e9 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"3b6b0e9\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:300}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Frequently asked questions about PTFE gaskets and custom Tose Teflon products<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3fa7d40 color-scheme-inherit text-left elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"3fa7d40\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:250}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>On this page, we answer the most common questions from engineers, maintenance teams and purchasing departments about PTFE gaskets, selecting the right grade, technical limitations and the conditions for ordering custom gaskets. If you cannot find the answer to your question here, you can contact the Tose Teflon technical team directly via the contact form, phone or WhatsApp.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-acb5112 elementor-align-left elementor-mobile-align-center elementor-invisible elementor-widget elementor-widget-button\" data-id=\"acb5112\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:300}\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-float\" href=\"https:\/\/toseteflonseal.com\/en\/contact-us\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Request technical consultation<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-de98362 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"de98362\" data-element_type=\"section\" data-e-type=\"section\" id=\"general-faq\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3d1529a\" data-id=\"3d1529a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b22b90a wd-width-100 elementor-widget elementor-widget-wd_title\" data-id=\"b22b90a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"title-wrapper wd-set-mb reset-last-child wd-title-color-default wd-title-style-default wd-title-size-default text-left\">\n\n\t\t\t\n\t\t\t<div class=\"liner-continer\">\n\t\t\t\t<h2 class=\"woodmart-title-container title wd-fontsize-l\">General questions about PTFE gaskets<\/h2> \n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e16a48a elementor-invisible elementor-widget elementor-widget-elementskit-accordion\" data-id=\"e16a48a\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:250}\" data-widget_type=\"elementskit-accordion.default\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" >\n        <div class=\"elementskit-accordion accoedion-primary\" id=\"accordion-6a6cc956e3a3d\">\n\n            \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-0-e16a48a\">\n                        <a href=\"#collapse-da18c7c6a6cc956e3a3d\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-da18c7c6a6cc956e3a3d\" aria-expanded=\"false\" aria-controls=\"Collapse-da18c7c6a6cc956e3a3d\">\n                            \n                            <span class=\"ekit-accordion-title\">What is a PTFE gasket and how does it differ from standard gaskets?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow1\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-da18c7c6a6cc956e3a3d\" class=\" collapse\" aria-labelledby=\"primaryHeading-0-e16a48a\" data-parent=\"#accordion-6a6cc956e3a3d\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <p>A PTFE gasket is a type of gasket made from polytetrafluoroethylene (PTFE), a material with very high chemical resistance and a low coefficient of friction. Unlike many rubber or fibre gaskets, PTFE gaskets remain stable in contact with a wide range of acids, alkalis and organic solvents, and are used in applications that require fluid purity, non-stick behaviour and a wide service temperature range.<\/p>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-1-e16a48a\">\n                        <a href=\"#collapse-ff11c2a6a6cc956e3a3d\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-ff11c2a6a6cc956e3a3d\" aria-expanded=\"false\" aria-controls=\"Collapse-ff11c2a6a6cc956e3a3d\">\n                            \n                            <span class=\"ekit-accordion-title\">What are the main advantages of PTFE gaskets compared with other gasket types?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow1\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-ff11c2a6a6cc956e3a3d\" class=\" collapse\" aria-labelledby=\"primaryHeading-1-e16a48a\" data-parent=\"#accordion-6a6cc956e3a3d\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <div>The main advantages of PTFE gaskets include:<\/div><div>\u2022 Very high chemical resistance against a broad range of chemicals<\/div><div>\u2022 Low coefficient of friction and non-stick behaviour on many surfaces<\/div><div>\u2022 Stable performance over a wide temperature range, depending on the selected grade<\/div><div>\u2022 A relatively smooth, clean surface suitable for hygienic and food-related services<\/div><div>However, final selection should always take into account mechanical limitations and installation conditions.<\/div>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-2-e16a48a\">\n                        <a href=\"#collapse-5f20c506a6cc956e3a3d\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-5f20c506a6cc956e3a3d\" aria-expanded=\"false\" aria-controls=\"Collapse-5f20c506a6cc956e3a3d\">\n                            \n                            <span class=\"ekit-accordion-title\">What are the general disadvantages and limitations of PTFE gaskets?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow1\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-5f20c506a6cc956e3a3d\" class=\" collapse\" aria-labelledby=\"primaryHeading-2-e16a48a\" data-parent=\"#accordion-6a6cc956e3a3d\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <div>Alongside their many advantages, PTFE gaskets also have certain limitations, including:<\/div><div>\u2022 Lower compressive strength and elastic modulus compared with some metallic or composite materials<\/div><div>\u2022 Tendency to creep and deform under long-term loading, especially in virgin grades<\/div><div>\u2022 Sensitivity to poor flange design and incorrect bolt torque<\/div><div>For these reasons, many projects make use of reinforced PTFE grades that help to reduce some of these limitations.<\/div>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-3-e16a48a\">\n                        <a href=\"#collapse-7520d6f6a6cc956e3a3d\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-7520d6f6a6cc956e3a3d\" aria-expanded=\"false\" aria-controls=\"Collapse-7520d6f6a6cc956e3a3d\">\n                            \n                            <span class=\"ekit-accordion-title\">In which industries are PTFE gaskets most commonly used?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow1\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-7520d6f6a6cc956e3a3d\" class=\" collapse\" aria-labelledby=\"primaryHeading-3-e16a48a\" data-parent=\"#accordion-6a6cc956e3a3d\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <p>PTFE gaskets are used wherever corrosive or sensitive media are present in the system, including: chemical and resin plants, oil and gas, petrochemical facilities, pharmaceutical, food and hygiene industries, steam and thermal systems, industrial water and wastewater, and selected power-generation applications. In each industry, the PTFE gasket grade is chosen according to the type of medium, pressure and temperature.<\/p>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-4-e16a48a\">\n                        <a href=\"#collapse-c77b3966a6cc956e3a3d\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-c77b3966a6cc956e3a3d\" aria-expanded=\"false\" aria-controls=\"Collapse-c77b3966a6cc956e3a3d\">\n                            \n                            <span class=\"ekit-accordion-title\">Should PTFE gaskets always be used whenever the medium is corrosive?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow1\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-c77b3966a6cc956e3a3d\" class=\" collapse\" aria-labelledby=\"primaryHeading-4-e16a48a\" data-parent=\"#accordion-6a6cc956e3a3d\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <p>No. Although PTFE gaskets are an attractive option because of their high chemical resistance, correct gasket selection must be based on the combination of medium, pressure, temperature, flange design and equipment criticality. In some services, other gasket types (for example graphite or specific elastomer grades) may deliver better performance. The best approach is to provide the real service conditions to the technical team so that the most suitable option can be recommended.<\/p>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                                                        <script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is a PTFE gasket and how does it differ from standard gaskets?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>A PTFE gasket is a type of gasket made from polytetrafluoroethylene (PTFE), a material with very high chemical resistance and a low coefficient of friction. Unlike many rubber or fibre gaskets, PTFE gaskets remain stable in contact with a wide range of acids, alkalis and organic solvents, and are used in applications that require fluid purity, non-stick behaviour and a wide service temperature range.<\/p>\"}},{\"@type\":\"Question\",\"name\":\"What are the main advantages of PTFE gaskets compared with other gasket types?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<div>The main advantages of PTFE gaskets include:<\/div><div>\u2022 Very high chemical resistance against a broad range of chemicals<\/div><div>\u2022 Low coefficient of friction and non-stick behaviour on many surfaces<\/div><div>\u2022 Stable performance over a wide temperature range, depending on the selected grade<\/div><div>\u2022 A relatively smooth, clean surface suitable for hygienic and food-related services<\/div><div>However, final selection should always take into account mechanical limitations and installation conditions.<\/div>\"}},{\"@type\":\"Question\",\"name\":\"What are the general disadvantages and limitations of PTFE gaskets?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<div>Alongside their many advantages, PTFE gaskets also have certain limitations, including:<\/div><div>\u2022 Lower compressive strength and elastic modulus compared with some metallic or composite materials<\/div><div>\u2022 Tendency to creep and deform under long-term loading, especially in virgin grades<\/div><div>\u2022 Sensitivity to poor flange design and incorrect bolt torque<\/div><div>For these reasons, many projects make use of reinforced PTFE grades that help to reduce some of these limitations.<\/div>\"}},{\"@type\":\"Question\",\"name\":\"In which industries are PTFE gaskets most commonly used?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>PTFE gaskets are used wherever corrosive or sensitive media are present in the system, including: chemical and resin plants, oil and gas, petrochemical facilities, pharmaceutical, food and hygiene industries, steam and thermal systems, industrial water and wastewater, and selected power-generation applications. In each industry, the PTFE gasket grade is chosen according to the type of medium, pressure and temperature.<\/p>\"}},{\"@type\":\"Question\",\"name\":\"Should PTFE gaskets always be used whenever the medium is corrosive?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>No. Although PTFE gaskets are an attractive option because of their high chemical resistance, correct gasket selection must be based on the combination of medium, pressure, temperature, flange design and equipment criticality. In some services, other gasket types (for example graphite or specific elastomer grades) may deliver better performance. The best approach is to provide the real service conditions to the technical team so that the most suitable option can be recommended.<\/p>\"}}]}<\/script>\n                                <\/div>\n    <\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0cdb077 wd-section-stretch elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0cdb077\" data-element_type=\"section\" data-e-type=\"section\" id=\"technical-guide\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5839e1d\" data-id=\"5839e1d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6710d26 wd-width-100 elementor-widget elementor-widget-wd_title\" data-id=\"6710d26\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"title-wrapper wd-set-mb reset-last-child wd-title-color-default wd-title-style-default wd-title-size-default text-left\">\n\n\t\t\t\n\t\t\t<div class=\"liner-continer\">\n\t\t\t\t<h2 class=\"woodmart-title-container title wd-fontsize-l\">PTFE gasket grade selection and technical specification guide<\/h2> \n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-61edbb7 elementor-invisible elementor-widget elementor-widget-elementskit-accordion\" data-id=\"61edbb7\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:250}\" data-widget_type=\"elementskit-accordion.default\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" >\n        <div class=\"elementskit-accordion accoedion-primary\" id=\"accordion-6a6cc956eb094\">\n\n            \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-0-61edbb7\">\n                        <a href=\"#collapse-da18c7c6a6cc956eb094\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-da18c7c6a6cc956eb094\" aria-expanded=\"false\" aria-controls=\"Collapse-da18c7c6a6cc956eb094\">\n                            \n                            <span class=\"ekit-accordion-title\">When should we use a virgin PTFE gasket and when should we choose filled grades?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow1\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-da18c7c6a6cc956eb094\" class=\" collapse\" aria-labelledby=\"primaryHeading-0-61edbb7\" data-parent=\"#accordion-6a6cc956eb094\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <p>In simple terms, a virgin PTFE gasket is selected when chemical resistance and fluid purity are the top priorities and the pressure and mechanical loads remain within normal limits. If you are dealing with high pressure, high tightening torque, significant wear or vibration, reinforced grades such as glass-filled, carbon-filled, bronze-filled PTFE or advanced composites are typically used to reduce creep and deformation and to increase mechanical stability.<\/p>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-1-61edbb7\">\n                        <a href=\"#collapse-ff11c2a6a6cc956eb094\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-ff11c2a6a6cc956eb094\" aria-expanded=\"false\" aria-controls=\"Collapse-ff11c2a6a6cc956eb094\">\n                            \n                            <span class=\"ekit-accordion-title\">What information should we provide to the technical team to select the appropriate PTFE gasket grade?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow1\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-ff11c2a6a6cc956eb094\" class=\" collapse\" aria-labelledby=\"primaryHeading-1-61edbb7\" data-parent=\"#accordion-6a6cc956eb094\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <div>To correctly select the PTFE gasket grade, at minimum the following information is required:<\/div><div>\u2022 Type of medium and its approximate concentration<\/div><div>\u2022 Operating pressure and, if possible, design pressure<\/div><div>\u2022 Minimum and maximum operating temperature and expected temperature variations<\/div><div>\u2022 Whether the service is static or dynamic and the level of vibration<\/div><div>\u2022 Flange standard, dimensions and approximate consumption volume<\/div><div>Based on this data, it can be determined whether virgin PTFE is sufficient or whether reinforced grades or PEEK are required.<\/div>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-2-61edbb7\">\n                        <a href=\"#collapse-5f20c506a6cc956eb094\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-5f20c506a6cc956eb094\" aria-expanded=\"false\" aria-controls=\"Collapse-5f20c506a6cc956eb094\">\n                            \n                            <span class=\"ekit-accordion-title\">What is the performance difference between glass-filled, carbon-filled and bronze-filled PTFE gasket grades?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow1\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-5f20c506a6cc956eb094\" class=\" collapse\" aria-labelledby=\"primaryHeading-2-61edbb7\" data-parent=\"#accordion-6a6cc956eb094\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <div>In summary:<\/div><div>\u2022 Glass-filled PTFE: improved stiffness and dimensional stability under static load, suitable for static services and medium pressures.<\/div><div>\u2022 Carbon-filled PTFE: improved mechanical strength and, to some extent, thermal conductivity, suitable for higher pressures and general industrial services.<\/div><div>\u2022 Bronze-filled PTFE: significantly increased strength and thermal conductivity, suitable for high-pressure flanges and high bolt torques.<\/div><div>The final choice depends on the combination of pressure, temperature, medium and service type.<\/div>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-3-61edbb7\">\n                        <a href=\"#collapse-9e46a6d6a6cc956eb094\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-9e46a6d6a6cc956eb094\" aria-expanded=\"false\" aria-controls=\"Collapse-9e46a6d6a6cc956eb094\">\n                            \n                            <span class=\"ekit-accordion-title\">If we have experienced repeated leakage at the same point, how should we select a more suitable grade?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow1\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-9e46a6d6a6cc956eb094\" class=\" collapse\" aria-labelledby=\"primaryHeading-3-61edbb7\" data-parent=\"#accordion-6a6cc956eb094\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <p>If leakage occurs repeatedly, the first step is to review mechanical factors such as misaligned flanges, incorrect bolt torque, damaged seating surfaces or an inappropriate gasket thickness. If these factors are controlled and the problem still persists, it may be necessary to change the gasket grade \u2013 for example, moving from virgin PTFE to reinforced grades (glass-, carbon- or bronze-filled) or more advanced composites. In such cases, providing complete service data to the Tose Teflon technical team is essential.<\/p>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-4-61edbb7\">\n                        <a href=\"#collapse-82569c96a6cc956eb094\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-82569c96a6cc956eb094\" aria-expanded=\"false\" aria-controls=\"Collapse-82569c96a6cc956eb094\">\n                            \n                            <span class=\"ekit-accordion-title\">Can we select a suitable PTFE gasket solely based on the flange standard number?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow1\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-82569c96a6cc956eb094\" class=\" collapse\" aria-labelledby=\"primaryHeading-4-61edbb7\" data-parent=\"#accordion-6a6cc956eb094\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <p>The flange standard (for example DIN, ANSI and pressure class) is very useful for defining the basic gasket dimensions; however, it is not sufficient to determine the PTFE material grade. To select an appropriate material, the type of medium, pressure, temperature and service conditions must also be taken into account.<\/p>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                                                        <script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"When should we use a virgin PTFE gasket and when should we choose filled grades?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>In simple terms, a virgin PTFE gasket is selected when chemical resistance and fluid purity are the top priorities and the pressure and mechanical loads remain within normal limits. If you are dealing with high pressure, high tightening torque, significant wear or vibration, reinforced grades such as glass-filled, carbon-filled, bronze-filled PTFE or advanced composites are typically used to reduce creep and deformation and to increase mechanical stability.<\/p>\"}},{\"@type\":\"Question\",\"name\":\"What information should we provide to the technical team to select the appropriate PTFE gasket grade?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<div>To correctly select the PTFE gasket grade, at minimum the following information is required:<\/div><div>\u2022 Type of medium and its approximate concentration<\/div><div>\u2022 Operating pressure and, if possible, design pressure<\/div><div>\u2022 Minimum and maximum operating temperature and expected temperature variations<\/div><div>\u2022 Whether the service is static or dynamic and the level of vibration<\/div><div>\u2022 Flange standard, dimensions and approximate consumption volume<\/div><div>Based on this data, it can be determined whether virgin PTFE is sufficient or whether reinforced grades or PEEK are required.<\/div>\"}},{\"@type\":\"Question\",\"name\":\"What is the performance difference between glass-filled, carbon-filled and bronze-filled PTFE gasket grades?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<div>In summary:<\/div><div>\u2022 Glass-filled PTFE: improved stiffness and dimensional stability under static load, suitable for static services and medium pressures.<\/div><div>\u2022 Carbon-filled PTFE: improved mechanical strength and, to some extent, thermal conductivity, suitable for higher pressures and general industrial services.<\/div><div>\u2022 Bronze-filled PTFE: significantly increased strength and thermal conductivity, suitable for high-pressure flanges and high bolt torques.<\/div><div>The final choice depends on the combination of pressure, temperature, medium and service type.<\/div>\"}},{\"@type\":\"Question\",\"name\":\"If we have experienced repeated leakage at the same point, how should we select a more suitable grade?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>If leakage occurs repeatedly, the first step is to review mechanical factors such as misaligned flanges, incorrect bolt torque, damaged seating surfaces or an inappropriate gasket thickness. If these factors are controlled and the problem still persists, it may be necessary to change the gasket grade \u2013 for example, moving from virgin PTFE to reinforced grades (glass-, carbon- or bronze-filled) or more advanced composites. In such cases, providing complete service data to the Tose Teflon technical team is essential.<\/p>\"}},{\"@type\":\"Question\",\"name\":\"Can we select a suitable PTFE gasket solely based on the flange standard number?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>The flange standard (for example DIN, ANSI and pressure class) is very useful for defining the basic gasket dimensions; however, it is not sufficient to determine the PTFE material grade. To select an appropriate material, the type of medium, pressure, temperature and service conditions must also be taken into account.<\/p>\"}}]}<\/script>\n                                <\/div>\n    <\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f044a08 wd-width-100 elementor-widget elementor-widget-wd_title\" data-id=\"f044a08\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"custom-product-faq\" data-widget_type=\"wd_title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"title-wrapper wd-set-mb reset-last-child wd-title-color-default wd-title-style-default wd-title-size-default text-left\">\n\n\t\t\t\n\t\t\t<div class=\"liner-continer\">\n\t\t\t\t<h2 class=\"woodmart-title-container title wd-fontsize-l\">Frequently asked questions about custom PTFE gasket orders<\/h2> \n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c128c6b elementor-invisible elementor-widget elementor-widget-elementskit-accordion\" data-id=\"c128c6b\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:250}\" data-widget_type=\"elementskit-accordion.default\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" >\n        <div class=\"elementskit-accordion accoedion-primary\" id=\"accordion-6a6cc956efb8b\">\n\n            \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-0-c128c6b\">\n                        <a href=\"#collapse-da18c7c6a6cc956efb8b\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-da18c7c6a6cc956efb8b\" aria-expanded=\"false\" aria-controls=\"Collapse-da18c7c6a6cc956efb8b\">\n                            \n                            <span class=\"ekit-accordion-title\">What information is required to place a custom PTFE gasket order?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow1\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-da18c7c6a6cc956efb8b\" class=\" collapse\" aria-labelledby=\"primaryHeading-0-c128c6b\" data-parent=\"#accordion-6a6cc956efb8b\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <div>For evaluation and design of a custom PTFE gasket, the following information is typically requested:<\/div><div>\u2022 Main gasket dimensions (inner diameter, outer diameter, thickness)<\/div><div>\u2022 Flange type and standard and, if possible, a drawing or design file<\/div><div>\u2022 Type of medium, operating pressure and temperature<\/div><div>\u2022 Service type (static, with vibration or fully dynamic)<\/div><div>\u2022 Approximate quantity and consumption pattern<\/div><div>The more complete this information is, the more accurate and faster grade selection and price estimation will be.<\/div>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-1-c128c6b\">\n                        <a href=\"#collapse-ff11c2a6a6cc956efb8b\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-ff11c2a6a6cc956efb8b\" aria-expanded=\"false\" aria-controls=\"Collapse-ff11c2a6a6cc956efb8b\">\n                            \n                            <span class=\"ekit-accordion-title\">If a flange drawing is not available, is custom gasket design still possible?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow1\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-ff11c2a6a6cc956efb8b\" class=\" collapse\" aria-labelledby=\"primaryHeading-1-c128c6b\" data-parent=\"#accordion-6a6cc956efb8b\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <p>Yes. In many cases, a custom gasket can be designed based on measured dimensions, the flange standard and the equipment information you provide. However, having a drawing or design file reduces the risk of error and is recommended for critical projects.<\/p>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-2-c128c6b\">\n                        <a href=\"#collapse-5f20c506a6cc956efb8b\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-5f20c506a6cc956efb8b\" aria-expanded=\"false\" aria-controls=\"Collapse-5f20c506a6cc956efb8b\">\n                            \n                            <span class=\"ekit-accordion-title\">What is the minimum order quantity for custom PTFE gaskets?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow1\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-5f20c506a6cc956efb8b\" class=\" collapse\" aria-labelledby=\"primaryHeading-2-c128c6b\" data-parent=\"#accordion-6a6cc956efb8b\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <p>We can manufacture both low quantities (for samples, limited repairs or a few critical points) and higher volumes. From a cost perspective, the higher the quantity, the more balanced the unit price of each custom gasket will be. For orders with continuous consumption, a periodic supply plan can be defined.<\/p>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-3-c128c6b\">\n                        <a href=\"#collapse-9e46a6d6a6cc956efb8b\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-9e46a6d6a6cc956efb8b\" aria-expanded=\"false\" aria-controls=\"Collapse-9e46a6d6a6cc956efb8b\">\n                            \n                            <span class=\"ekit-accordion-title\">What are the typical lead times for review, pricing and delivery of custom gaskets?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow1\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-9e46a6d6a6cc956efb8b\" class=\" collapse\" aria-labelledby=\"primaryHeading-3-c128c6b\" data-parent=\"#accordion-6a6cc956efb8b\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <p>The technical review and initial proposal time is usually short and will be communicated once the required information has been completed. Production and delivery time for a custom PTFE gasket depend on the selected grade, dimensions, order quantity and production schedule, and are clearly agreed with you at the quotation stage.<\/p>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-4-c128c6b\">\n                        <a href=\"#collapse-82569c96a6cc956efb8b\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-82569c96a6cc956efb8b\" aria-expanded=\"false\" aria-controls=\"Collapse-82569c96a6cc956efb8b\">\n                            \n                            <span class=\"ekit-accordion-title\">Do we need to define the material grade ourselves, or will the technical team propose it?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow1\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-82569c96a6cc956efb8b\" class=\" collapse\" aria-labelledby=\"primaryHeading-4-c128c6b\" data-parent=\"#accordion-6a6cc956efb8b\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <p>If you already know your preferred grade, you can specify it; however, this is not mandatory. It is sufficient to describe the operating conditions \u2013 including type of medium, pressure, temperature and service criticality \u2013 and the Tose Teflon technical team will propose the most suitable PTFE gasket grade for your application and explain the reasoning in the technical proposal.<\/p>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                                                        <script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What information is required to place a custom PTFE gasket order?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<div>For evaluation and design of a custom PTFE gasket, the following information is typically requested:<\/div><div>\u2022 Main gasket dimensions (inner diameter, outer diameter, thickness)<\/div><div>\u2022 Flange type and standard and, if possible, a drawing or design file<\/div><div>\u2022 Type of medium, operating pressure and temperature<\/div><div>\u2022 Service type (static, with vibration or fully dynamic)<\/div><div>\u2022 Approximate quantity and consumption pattern<\/div><div>The more complete this information is, the more accurate and faster grade selection and price estimation will be.<\/div>\"}},{\"@type\":\"Question\",\"name\":\"If a flange drawing is not available, is custom gasket design still possible?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>Yes. In many cases, a custom gasket can be designed based on measured dimensions, the flange standard and the equipment information you provide. However, having a drawing or design file reduces the risk of error and is recommended for critical projects.<\/p>\"}},{\"@type\":\"Question\",\"name\":\"What is the minimum order quantity for custom PTFE gaskets?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>We can manufacture both low quantities (for samples, limited repairs or a few critical points) and higher volumes. From a cost perspective, the higher the quantity, the more balanced the unit price of each custom gasket will be. For orders with continuous consumption, a periodic supply plan can be defined.<\/p>\"}},{\"@type\":\"Question\",\"name\":\"What are the typical lead times for review, pricing and delivery of custom gaskets?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>The technical review and initial proposal time is usually short and will be communicated once the required information has been completed. Production and delivery time for a custom PTFE gasket depend on the selected grade, dimensions, order quantity and production schedule, and are clearly agreed with you at the quotation stage.<\/p>\"}},{\"@type\":\"Question\",\"name\":\"Do we need to define the material grade ourselves, or will the technical team propose it?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>If you already know your preferred grade, you can specify it; however, this is not mandatory. It is sufficient to describe the operating conditions \u2013 including type of medium, pressure, temperature and service criticality \u2013 and the Tose Teflon technical team will propose the most suitable PTFE gasket grade for your application and explain the reasoning in the technical proposal.<\/p>\"}}]}<\/script>\n                                <\/div>\n    <\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"wd-negative-gap elementor-section elementor-top-section elementor-element elementor-element-6c63e93 wd-section-stretch elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6c63e93\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-309b090\" data-id=\"309b090\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b59497d elementor-widget elementor-widget-spacer\" data-id=\"b59497d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e3c9a7c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e3c9a7c\" data-element_type=\"section\" data-e-type=\"section\" id=\"operating-conditions\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-fabb6af\" data-id=\"fabb6af\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f068f9b wd-width-100 elementor-widget elementor-widget-wd_title\" data-id=\"f068f9b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"title-wrapper wd-set-mb reset-last-child wd-title-color-default wd-title-style-default wd-title-size-default text-left\">\n\n\t\t\t\n\t\t\t<div class=\"liner-continer\">\n\t\t\t\t<h2 class=\"woodmart-title-container title wd-fontsize-l\">Installation, tightening torque and operating conditions for PTFE gaskets<\/h2> \n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eac15dc elementor-invisible elementor-widget elementor-widget-elementskit-accordion\" data-id=\"eac15dc\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:250}\" data-widget_type=\"elementskit-accordion.default\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" >\n        <div class=\"elementskit-accordion accoedion-primary\" id=\"accordion-6a6cc957072a6\">\n\n            \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-0-eac15dc\">\n                        <a href=\"#collapse-da18c7c6a6cc957072a6\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-da18c7c6a6cc957072a6\" aria-expanded=\"false\" aria-controls=\"Collapse-da18c7c6a6cc957072a6\">\n                            \n                            <span class=\"ekit-accordion-title\">Is there a standard tightening torque table for PTFE gaskets?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow1\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-da18c7c6a6cc957072a6\" class=\" collapse\" aria-labelledby=\"primaryHeading-0-eac15dc\" data-parent=\"#accordion-6a6cc957072a6\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <p>For many flange and gasket standards, recommended tightening torque tables are available; however, these values must be adjusted for the specific PTFE gasket type, grade, thickness, flange class and actual equipment condition. It is recommended to discuss your project with the technical team before using any generic torque table.<\/p>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-1-eac15dc\">\n                        <a href=\"#collapse-ff11c2a6a6cc957072a6\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-ff11c2a6a6cc957072a6\" aria-expanded=\"false\" aria-controls=\"Collapse-ff11c2a6a6cc957072a6\">\n                            \n                            <span class=\"ekit-accordion-title\">What should be checked before installing a PTFE gasket?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow1\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-ff11c2a6a6cc957072a6\" class=\" collapse\" aria-labelledby=\"primaryHeading-1-eac15dc\" data-parent=\"#accordion-6a6cc957072a6\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <div>To achieve reliable sealing, several points must be observed:<\/div><div>\u2022 Clean flange faces with no deep scratches or surface damage<\/div><div>\u2022 Proper alignment of flanges with no distortion<\/div><div>\u2022 Use of controlled, even bolt tightening torque<\/div><div>\u2022 Avoid using unsuitable lubricants on the gasket surface (if lubrication is required, follow the specific technical recommendation).<\/div><div>These practices help improve PTFE gasket performance and reduce the risk of leakage.<\/div>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-2-eac15dc\">\n                        <a href=\"#collapse-5f20c506a6cc957072a6\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-5f20c506a6cc957072a6\" aria-expanded=\"false\" aria-controls=\"Collapse-5f20c506a6cc957072a6\">\n                            \n                            <span class=\"ekit-accordion-title\">Is re-tightening required after the first start-up?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow1\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-5f20c506a6cc957072a6\" class=\" collapse\" aria-labelledby=\"primaryHeading-2-eac15dc\" data-parent=\"#accordion-6a6cc957072a6\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <p>In some services, especially when softer grades and thicker gaskets are used, performing a controlled re-torque after the system has reached stable operating pressure and temperature can help stabilise the seal. Whether this is necessary should be decided based on the grade, flange design and technical recommendations.<\/p>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-3-eac15dc\">\n                        <a href=\"#collapse-7520d6f6a6cc957072a6\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-7520d6f6a6cc957072a6\" aria-expanded=\"false\" aria-controls=\"Collapse-7520d6f6a6cc957072a6\">\n                            \n                            <span class=\"ekit-accordion-title\">What factors typically cause premature leakage of PTFE gaskets?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow1\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-7520d6f6a6cc957072a6\" class=\" collapse\" aria-labelledby=\"primaryHeading-3-eac15dc\" data-parent=\"#accordion-6a6cc957072a6\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <div>Common causes of premature leakage include:<\/div><div>\u2022 Incorrect selection of gasket grade or thickness<\/div><div>\u2022 Insufficient or excessive bolt torque<\/div><div>\u2022 Misaligned flanges or damage on the seating surface<\/div><div>\u2022 Operating conditions outside the design limits (pressure or temperature above allowable values)<\/div><div>If leakage occurs, all of these factors should be reviewed together.<\/div>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-4-eac15dc\">\n                        <a href=\"#collapse-c77b3966a6cc957072a6\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-c77b3966a6cc957072a6\" aria-expanded=\"false\" aria-controls=\"Collapse-c77b3966a6cc957072a6\">\n                            \n                            <span class=\"ekit-accordion-title\">Can PTFE gaskets be used in fully dynamic services?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow1\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-c77b3966a6cc957072a6\" class=\" collapse\" aria-labelledby=\"primaryHeading-4-eac15dc\" data-parent=\"#accordion-6a6cc957072a6\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <p>In fully dynamic services with significant wear and relative movement, composite and reinforced grades should be used (for example carbon fibre-, bronze-filled or grades containing solid lubricants). The use of virgin PTFE in such conditions is generally not recommended, except for special cases with low mechanical loads and carefully engineered design.<\/p>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                                                        <script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Is there a standard tightening torque table for PTFE gaskets?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>For many flange and gasket standards, recommended tightening torque tables are available; however, these values must be adjusted for the specific PTFE gasket type, grade, thickness, flange class and actual equipment condition. It is recommended to discuss your project with the technical team before using any generic torque table.<\/p>\"}},{\"@type\":\"Question\",\"name\":\"What should be checked before installing a PTFE gasket?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<div>To achieve reliable sealing, several points must be observed:<\/div><div>\u2022 Clean flange faces with no deep scratches or surface damage<\/div><div>\u2022 Proper alignment of flanges with no distortion<\/div><div>\u2022 Use of controlled, even bolt tightening torque<\/div><div>\u2022 Avoid using unsuitable lubricants on the gasket surface (if lubrication is required, follow the specific technical recommendation).<\/div><div>These practices help improve PTFE gasket performance and reduce the risk of leakage.<\/div>\"}},{\"@type\":\"Question\",\"name\":\"Is re-tightening required after the first start-up?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>In some services, especially when softer grades and thicker gaskets are used, performing a controlled re-torque after the system has reached stable operating pressure and temperature can help stabilise the seal. Whether this is necessary should be decided based on the grade, flange design and technical recommendations.<\/p>\"}},{\"@type\":\"Question\",\"name\":\"What factors typically cause premature leakage of PTFE gaskets?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<div>Common causes of premature leakage include:<\/div><div>\u2022 Incorrect selection of gasket grade or thickness<\/div><div>\u2022 Insufficient or excessive bolt torque<\/div><div>\u2022 Misaligned flanges or damage on the seating surface<\/div><div>\u2022 Operating conditions outside the design limits (pressure or temperature above allowable values)<\/div><div>If leakage occurs, all of these factors should be reviewed together.<\/div>\"}},{\"@type\":\"Question\",\"name\":\"Can PTFE gaskets be used in fully dynamic services?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>In fully dynamic services with significant wear and relative movement, composite and reinforced grades should be used (for example carbon fibre-, bronze-filled or grades containing solid lubricants). The use of virgin PTFE in such conditions is generally not recommended, except for special cases with low mechanical loads and carefully engineered design.<\/p>\"}}]}<\/script>\n                                <\/div>\n    <\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c1e137d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c1e137d\" data-element_type=\"section\" data-e-type=\"section\" id=\"adaptation-faq\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5fd1f71\" data-id=\"5fd1f71\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2ec4db6 wd-width-100 elementor-widget elementor-widget-wd_title\" data-id=\"2ec4db6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"title-wrapper wd-set-mb reset-last-child wd-title-color-default wd-title-style-default wd-title-size-default text-left\">\n\n\t\t\t\n\t\t\t<div class=\"liner-continer\">\n\t\t\t\t<h2 class=\"woodmart-title-container title wd-fontsize-l\">Chemical compatibility, operating temperature and allowable pressure<\/h2> \n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-afb709b elementor-invisible elementor-widget elementor-widget-elementskit-accordion\" data-id=\"afb709b\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:250}\" data-widget_type=\"elementskit-accordion.default\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" >\n        <div class=\"elementskit-accordion accoedion-primary\" id=\"accordion-6a6cc957126fb\">\n\n            \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-0-afb709b\">\n                        <a href=\"#collapse-da18c7c6a6cc957126fb\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-da18c7c6a6cc957126fb\" aria-expanded=\"false\" aria-controls=\"Collapse-da18c7c6a6cc957126fb\">\n                            \n                            <span class=\"ekit-accordion-title\">Is a PTFE gasket compatible with all acids and solvents?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow1\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-da18c7c6a6cc957126fb\" class=\" collapse\" aria-labelledby=\"primaryHeading-0-afb709b\" data-parent=\"#accordion-6a6cc957126fb\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <p>PTFE is generally one of the most resistant materials against many acids, alkalis and organic solvents. However, in certain specific cases (for example some molten metals or very strong oxidising agents at high temperature), chemical compatibility must be checked more carefully. Providing the exact type of medium and operating temperature is essential for selecting the correct gasket grade.<\/p>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-1-afb709b\">\n                        <a href=\"#collapse-ff11c2a6a6cc957126fb\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-ff11c2a6a6cc957126fb\" aria-expanded=\"false\" aria-controls=\"Collapse-ff11c2a6a6cc957126fb\">\n                            \n                            <span class=\"ekit-accordion-title\">What is the approximate operating temperature range for different PTFE gasket grades?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow1\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-ff11c2a6a6cc957126fb\" class=\" collapse\" aria-labelledby=\"primaryHeading-1-afb709b\" data-parent=\"#accordion-6a6cc957126fb\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <p>The allowable temperature range for PTFE gaskets depends on the grade, thickness and service conditions. In general, common PTFE grades can operate over a relatively wide temperature range; but operation close to the limit temperatures, especially when combined with high pressure, must be evaluated technically. Where temperatures exceed the normal PTFE range, alternative materials such as PEEK are considered.<\/p>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-2-afb709b\">\n                        <a href=\"#collapse-5f20c506a6cc957126fb\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-5f20c506a6cc957126fb\" aria-expanded=\"false\" aria-controls=\"Collapse-5f20c506a6cc957126fb\">\n                            \n                            <span class=\"ekit-accordion-title\">Do thermal shock and sudden temperature changes affect PTFE gasket performance?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow1\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-5f20c506a6cc957126fb\" class=\" collapse\" aria-labelledby=\"primaryHeading-2-afb709b\" data-parent=\"#accordion-6a6cc957126fb\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <p>Yes. Sudden temperature changes (thermal shock) can affect the mechanical behaviour of the PTFE gasket and the flange assembly; especially when high pressure and large temperature differences are present at the same time. In such applications, selecting the right grade and thickness and ensuring proper flange design becomes even more important.<\/p>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-3-afb709b\">\n                        <a href=\"#collapse-9e46a6d6a6cc957126fb\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-9e46a6d6a6cc957126fb\" aria-expanded=\"false\" aria-controls=\"Collapse-9e46a6d6a6cc957126fb\">\n                            \n                            <span class=\"ekit-accordion-title\">How should we specify operating pressure and design pressure for gasket selection?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow1\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-9e46a6d6a6cc957126fb\" class=\" collapse\" aria-labelledby=\"primaryHeading-3-afb709b\" data-parent=\"#accordion-6a6cc957126fb\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <p>It is best to state not only the normal operating pressure but also the design pressure and any transient conditions that may occur. This information helps ensure that the PTFE gasket grade and design are based on the worst reasonably expected conditions, with an appropriate safety margin.<\/p>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                                                        <script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Is a PTFE gasket compatible with all acids and solvents?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>PTFE is generally one of the most resistant materials against many acids, alkalis and organic solvents. However, in certain specific cases (for example some molten metals or very strong oxidising agents at high temperature), chemical compatibility must be checked more carefully. Providing the exact type of medium and operating temperature is essential for selecting the correct gasket grade.<\/p>\"}},{\"@type\":\"Question\",\"name\":\"What is the approximate operating temperature range for different PTFE gasket grades?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>The allowable temperature range for PTFE gaskets depends on the grade, thickness and service conditions. In general, common PTFE grades can operate over a relatively wide temperature range; but operation close to the limit temperatures, especially when combined with high pressure, must be evaluated technically. Where temperatures exceed the normal PTFE range, alternative materials such as PEEK are considered.<\/p>\"}},{\"@type\":\"Question\",\"name\":\"Do thermal shock and sudden temperature changes affect PTFE gasket performance?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>Yes. Sudden temperature changes (thermal shock) can affect the mechanical behaviour of the PTFE gasket and the flange assembly; especially when high pressure and large temperature differences are present at the same time. In such applications, selecting the right grade and thickness and ensuring proper flange design becomes even more important.<\/p>\"}},{\"@type\":\"Question\",\"name\":\"How should we specify operating pressure and design pressure for gasket selection?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>It is best to state not only the normal operating pressure but also the design pressure and any transient conditions that may occur. This information helps ensure that the PTFE gasket grade and design are based on the worst reasonably expected conditions, with an appropriate safety margin.<\/p>\"}}]}<\/script>\n                                <\/div>\n    <\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8f9f027 wd-section-stretch elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8f9f027\" data-element_type=\"section\" data-e-type=\"section\" id=\"price-delivery-faq\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-40f10fa\" data-id=\"40f10fa\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-29e743c wd-width-100 elementor-widget elementor-widget-wd_title\" data-id=\"29e743c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"title-wrapper wd-set-mb reset-last-child wd-title-color-default wd-title-style-default wd-title-size-default text-left\">\n\n\t\t\t\n\t\t\t<div class=\"liner-continer\">\n\t\t\t\t<h2 class=\"woodmart-title-container title wd-fontsize-l\">Pricing, delivery time and ordering conditions for PTFE gaskets<\/h2> \n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2fb2ae8 elementor-invisible elementor-widget elementor-widget-elementskit-accordion\" data-id=\"2fb2ae8\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:250}\" data-widget_type=\"elementskit-accordion.default\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" >\n        <div class=\"elementskit-accordion accoedion-primary\" id=\"accordion-6a6cc9571c553\">\n\n            \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-0-2fb2ae8\">\n                        <a href=\"#collapse-da18c7c6a6cc9571c553\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-da18c7c6a6cc9571c553\" aria-expanded=\"false\" aria-controls=\"Collapse-da18c7c6a6cc9571c553\">\n                            \n                            <span class=\"ekit-accordion-title\">How is the price of a PTFE gasket calculated?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow1\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-da18c7c6a6cc9571c553\" class=\" collapse\" aria-labelledby=\"primaryHeading-0-2fb2ae8\" data-parent=\"#accordion-6a6cc9571c553\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <p>The price of a PTFE gasket depends on factors such as grade (virgin or reinforced), dimensions, thickness, quantity, machining complexity and whether it is a standard or custom product. For custom orders, after technical evaluation and grade selection, the price is calculated based on all of these parameters and communicated transparently.<\/p>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-1-2fb2ae8\">\n                        <a href=\"#collapse-ff11c2a6a6cc9571c553\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-ff11c2a6a6cc9571c553\" aria-expanded=\"false\" aria-controls=\"Collapse-ff11c2a6a6cc9571c553\">\n                            \n                            <span class=\"ekit-accordion-title\">Why is the price of a custom PTFE gasket usually higher than that of a standard gasket?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow1\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-ff11c2a6a6cc9571c553\" class=\" collapse\" aria-labelledby=\"primaryHeading-1-2fb2ae8\" data-parent=\"#accordion-6a6cc9571c553\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <p>For custom PTFE gaskets, in addition to material cost there are costs for design, production planning, machine setup and dedicated quality control. Moreover, low quantities and non-standard dimensions increase the unit price compared with fully standard, series-produced items. In return, such gaskets help reduce leakage risk and downtime costs at critical points in the system.<\/p>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-2-2fb2ae8\">\n                        <a href=\"#collapse-5f20c506a6cc9571c553\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-5f20c506a6cc9571c553\" aria-expanded=\"false\" aria-controls=\"Collapse-5f20c506a6cc9571c553\">\n                            \n                            <span class=\"ekit-accordion-title\">What are the typical delivery times for standard and custom orders?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow1\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-5f20c506a6cc9571c553\" class=\" collapse\" aria-labelledby=\"primaryHeading-2-2fb2ae8\" data-parent=\"#accordion-6a6cc9571c553\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <p>For certain standard PTFE gaskets with commonly used sizes and grades, delivery times can be relatively short. For custom orders, delivery time depends on material grade, order quantity, geometry complexity and the current production schedule. These factors are indicated clearly and approximately at the quotation stage so that you can plan your project accordingly.<\/p>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-3-2fb2ae8\">\n                        <a href=\"#collapse-9e46a6d6a6cc9571c553\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-9e46a6d6a6cc9571c553\" aria-expanded=\"false\" aria-controls=\"Collapse-9e46a6d6a6cc9571c553\">\n                            \n                            <span class=\"ekit-accordion-title\">Is it possible to produce a test sample before placing the main order?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow1\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-9e46a6d6a6cc9571c553\" class=\" collapse\" aria-labelledby=\"primaryHeading-3-2fb2ae8\" data-parent=\"#accordion-6a6cc9571c553\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <p>In many projects, it is possible to produce a trial sample for initial testing under real service conditions. Once the sample performance has been approved, the main production order can be placed. This approach is particularly recommended for critical services or projects with unusual operating conditions.<\/p>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-4-2fb2ae8\">\n                        <a href=\"#collapse-1ab25c36a6cc9571c553\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-1ab25c36a6cc9571c553\" aria-expanded=\"false\" aria-controls=\"Collapse-1ab25c36a6cc9571c553\">\n                            \n                            <span class=\"ekit-accordion-title\">How can we contact Tose Teflon to place an order or receive technical advice?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow1\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-1ab25c36a6cc9571c553\" class=\" collapse\" aria-labelledby=\"primaryHeading-4-2fb2ae8\" data-parent=\"#accordion-6a6cc9571c553\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <div>To place an order, request technical advice or obtain a quotation for PTFE gaskets, you can use the following channels:<\/div><div>\u2022 Completing the forms available on the website (product pages and custom order pages)<\/div><div>\u2022 Calling the office or factory<\/div><div>\u2022 Sending technical emails and drawings<\/div><div>\u2022 Sending a message via WhatsApp for faster coordination<\/div><div>Full contact details are provided on the \u201cContact us\u201d page and in the site footer.<\/div>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                                                        <script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How is the price of a PTFE gasket calculated?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>The price of a PTFE gasket depends on factors such as grade (virgin or reinforced), dimensions, thickness, quantity, machining complexity and whether it is a standard or custom product. For custom orders, after technical evaluation and grade selection, the price is calculated based on all of these parameters and communicated transparently.<\/p>\"}},{\"@type\":\"Question\",\"name\":\"Why is the price of a custom PTFE gasket usually higher than that of a standard gasket?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>For custom PTFE gaskets, in addition to material cost there are costs for design, production planning, machine setup and dedicated quality control. Moreover, low quantities and non-standard dimensions increase the unit price compared with fully standard, series-produced items. In return, such gaskets help reduce leakage risk and downtime costs at critical points in the system.<\/p>\"}},{\"@type\":\"Question\",\"name\":\"What are the typical delivery times for standard and custom orders?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>For certain standard PTFE gaskets with commonly used sizes and grades, delivery times can be relatively short. For custom orders, delivery time depends on material grade, order quantity, geometry complexity and the current production schedule. These factors are indicated clearly and approximately at the quotation stage so that you can plan your project accordingly.<\/p>\"}},{\"@type\":\"Question\",\"name\":\"Is it possible to produce a test sample before placing the main order?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>In many projects, it is possible to produce a trial sample for initial testing under real service conditions. Once the sample performance has been approved, the main production order can be placed. This approach is particularly recommended for critical services or projects with unusual operating conditions.<\/p>\"}},{\"@type\":\"Question\",\"name\":\"How can we contact Tose Teflon to place an order or receive technical advice?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<div>To place an order, request technical advice or obtain a quotation for PTFE gaskets, you can use the following channels:<\/div><div>\u2022 Completing the forms available on the website (product pages and custom order pages)<\/div><div>\u2022 Calling the office or factory<\/div><div>\u2022 Sending technical emails and drawings<\/div><div>\u2022 Sending a message via WhatsApp for faster coordination<\/div><div>Full contact details are provided on the \u201cContact us\u201d page and in the site footer.<\/div>\"}}]}<\/script>\n                                <\/div>\n    <\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"wd-negative-gap elementor-section elementor-top-section elementor-element elementor-element-cf96513 wd-section-stretch elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cf96513\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d41a28b\" data-id=\"d41a28b\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7d47a6c elementor-widget elementor-widget-spacer\" data-id=\"7d47a6c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ad30d61 wd-section-stretch elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ad30d61\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5e5c0e9\" data-id=\"5e5c0e9\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3e0d239 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"3e0d239\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:300}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Your question is not on this list?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-57a0ce1 elementor-widget elementor-widget-wd_text_block\" data-id=\"57a0ce1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_text_block.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"wd-text-block reset-last-child text-center\">\n\t\t\t\n\t\t\t<p>If your technical or operational question about PTFE gaskets, grade selection or custom PTFE gasket orders is not covered on this page, you can contact the Tose Teflon technical team directly. Our specialists will review your equipment\u2019s operating conditions and recommend the most suitable sealing solution.<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8c943f7 elementor-align-center elementor-widget__width-initial elementor-mobile-align-justify elementor-invisible elementor-widget elementor-widget-button\" data-id=\"8c943f7\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:200}\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-float\" href=\"https:\/\/toseteflonseal.com\/en\/products\/custom-ptfe-gasket-solutions\/#custom-gasket-form\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-question-circle\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119.043 8 8 119.083 8 256c0 136.997 111.043 248 248 248s248-111.003 248-248C504 119.083 392.957 8 256 8zm0 448c-110.532 0-200-89.431-200-200 0-110.495 89.472-200 200-200 110.491 0 200 89.471 200 200 0 110.53-89.431 200-200 200zm107.244-255.2c0 67.052-72.421 68.084-72.421 92.863V300c0 6.627-5.373 12-12 12h-45.647c-6.627 0-12-5.373-12-12v-8.659c0-35.745 27.1-50.034 47.579-61.516 17.561-9.845 28.324-16.541 28.324-29.579 0-17.246-21.999-28.693-39.784-28.693-23.189 0-33.894 10.977-48.942 29.969-4.057 5.12-11.46 6.071-16.666 2.124l-27.824-21.098c-5.107-3.872-6.251-11.066-2.644-16.363C184.846 131.491 214.94 112 261.794 112c49.071 0 101.45 38.304 101.45 88.8zM298 368c0 23.159-18.841 42-42 42s-42-18.841-42-42 18.841-42 42-42 42 18.841 42 42z\"><\/path><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Submit your question and request a consultation<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d505c41 elementor-align-right elementor-widget__width-initial elementor-mobile-align-justify elementor-invisible elementor-widget elementor-widget-button\" data-id=\"d505c41\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:250}\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-float\" href=\"http:\/\/wa.me\/989125159567\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"icon icon-phone-call2\"><\/i>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Send a message on WhatsApp<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>General questions Grade selection guide Custom product questions Operating conditions Questions on pressure and temperature compatibility Questions on pricing, delivery<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"_eb_attr":"","footnotes":""},"class_list":["post-1728","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.1 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>FAQ | \u062a\u0648\u0633\u0639\u0647 \u062a\u0641\u0644\u0648\u0646 | \u062a\u0648\u0644\u06cc\u062f \u0648 \u062a\u0623\u0645\u06cc\u0646 \u0627\u0646\u0648\u0627\u0639 \u0648\u0627\u0634\u0631 \u062a\u0641\u0644\u0648\u0646 \u0635\u0646\u0639\u062a\u06cc (PTFE)<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/toseteflonseal.com\/en\/frequently-asked-questions\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"FAQ\" \/>\n<meta property=\"og:description\" content=\"General questions Grade selection guide Custom product questions Operating conditions Questions on pressure and temperature compatibility Questions on pricing, delivery\" \/>\n<meta property=\"og:url\" content=\"https:\/\/toseteflonseal.com\/en\/frequently-asked-questions\/\" \/>\n<meta property=\"og:site_name\" content=\"\u062a\u0648\u0633\u0639\u0647 \u062a\u0641\u0644\u0648\u0646 | \u062a\u0648\u0644\u06cc\u062f \u0648 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