{"id":14970,"date":"2025-08-04T07:19:38","date_gmt":"2025-08-04T07:19:38","guid":{"rendered":"https:\/\/hansaplas.com\/?p=14970"},"modified":"2025-08-04T07:35:47","modified_gmt":"2025-08-04T07:35:47","slug":"what-is-modified-ptfe","status":"publish","type":"post","link":"https:\/\/hansaplas.com\/bo\/what-is-modified-ptfe\/","title":{"rendered":"What is modified ptfe?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/hansaplas.com\/bo\/what-is-modified-ptfe\/#Definition\" >Definition<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/hansaplas.com\/bo\/what-is-modified-ptfe\/#Modification_Methods\" >Modification Methods<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/hansaplas.com\/bo\/what-is-modified-ptfe\/#Filler_Modification\" >Filler Modification<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/hansaplas.com\/bo\/what-is-modified-ptfe\/#Chemical_Treatment\" >Chemical Treatment<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/hansaplas.com\/bo\/what-is-modified-ptfe\/#Surface_Modification\" >Surface Modification<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/hansaplas.com\/bo\/what-is-modified-ptfe\/#Background\" >Background<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/hansaplas.com\/bo\/what-is-modified-ptfe\/#Properties\" >Properties<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/hansaplas.com\/bo\/what-is-modified-ptfe\/#Performance_Comparison\" >Performance Comparison<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/hansaplas.com\/bo\/what-is-modified-ptfe\/#Chemical_Properties\" >Chemical Properties<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/hansaplas.com\/bo\/what-is-modified-ptfe\/#Choosing_the_Right_Modification\" >Choosing the Right Modification<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/hansaplas.com\/bo\/what-is-modified-ptfe\/#Price\" >Price<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Definition\"><\/span><span style=\"font-weight: 400;\">Definition<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Modified PTFE(also called Modified Teflon) is made by processing pure PTFE (Polytetrafluoroethylene) through special methods. It keeps the original advantages of PTFE while improving specific properties for better performance in certain uses.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Modification_Methods\"><\/span><span style=\"font-weight: 400;\">Modification Methods<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Filler_Modification\"><\/span><span style=\"font-weight: 400;\">Filler Modification<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">This method mixes PTFE with different fillers to improve certain properties. Fillers can be used alone or combined, depending on the performance needed. Here are some common fillers and their functions:<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Inorganic Fillers<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Glass Fiber: Improves wear resistance, creep resistance, and stiffness<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Carbon Fiber: Increases strength, heat transfer, and wear resistance<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Graphite: Boosts wear resistance and lubrication<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Molybdenum Disulfide: Enhances lubrication<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Metal Fillers<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Copper Powder: Improves heat transfer and wear resistance<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Nickel Powder: Increases corrosion resistance and strength<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Polymer Fillers<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Polyimide: Improves creep resistance and high-temp stability<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Polystyrene (PEEK, etc.): Increases wear resistance and stiffness<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-14971 aligncenter\" src=\"http:\/\/hansaplas.com\/wp-content\/uploads\/2025\/08\/Filler-Modification.jpg\" alt=\"Filler Modification\" width=\"520\" height=\"390\" srcset=\"https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/08\/Filler-Modification.jpg 1000w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/08\/Filler-Modification-768x575.jpg 768w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/08\/Filler-Modification-16x12.jpg 16w\" sizes=\"auto, (max-width: 520px) 100vw, 520px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Chemical_Treatment\"><\/span><span style=\"font-weight: 400;\">Chemical Treatment<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">This method changes the molecular structure of PTFE through chemical reactions. The most common is grafting modification, where monomers like styrene are grafted onto PTFE using gamma rays or electron beams. This boosts surface activity and bonding ability.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-14972 aligncenter\" src=\"http:\/\/hansaplas.com\/wp-content\/uploads\/2025\/08\/Chemical-Treatment.jpg\" alt=\"Chemical Treatment\" width=\"520\" height=\"390\" srcset=\"https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/08\/Chemical-Treatment.jpg 1000w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/08\/Chemical-Treatment-768x576.jpg 768w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/08\/Chemical-Treatment-16x12.jpg 16w\" sizes=\"auto, (max-width: 520px) 100vw, 520px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Surface_Modification\"><\/span><span style=\"font-weight: 400;\">Surface Modification<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Plasma Treatment: Uses plasma to add active groups to the surface. This improves wetting and bonding.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Laser Etching: Uses ultra-fast lasers to create tiny grooves. Often used for biosensors.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Background\"><\/span><span style=\"font-weight: 400;\">Background<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">PTFE is known for its excellent resistance to chemicals, low friction, and high temperature tolerance. But it also has weaknesses, like low strength and poor creep resistance. Modified PTFE solves these issues through targeted improvements.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Properties\"><\/span><span style=\"font-weight: 400;\">Properties<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Performance_Comparison\"><\/span><span style=\"font-weight: 400;\">Performance Comparison<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Property<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Pure PTFE<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Modified PTFE<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Density<\/span><\/td>\n<td><span style=\"font-weight: 400;\">2.1\u20132.3 g\/cm\u00b3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">2.5\u20133.0 g\/cm\u00b3<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Tensile Strength<\/span><\/td>\n<td><span style=\"font-weight: 400;\">15\u201330 MPa<\/span><\/td>\n<td><span style=\"font-weight: 400;\">20\u201350 MPa<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Elongation at Break<\/span><\/td>\n<td><span style=\"font-weight: 400;\">200%\u2013500%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">5%\u2013300%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Hardness (Shore D)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">50\u201365<\/span><\/td>\n<td><span style=\"font-weight: 400;\">60\u201385\u00a0<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Dielectric Strength<\/span><\/td>\n<td><span style=\"font-weight: 400;\">15\u201325 kV\/mm<\/span><\/td>\n<td><span style=\"font-weight: 400;\">5\u201320 kV\/mm<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"Chemical_Properties\"><\/span><span style=\"font-weight: 400;\">Chemical Properties<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Property<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Pure PTFE<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Modified PTFE<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Creep Resistance<\/span><\/td>\n<td><span style=\"font-weight: 400;\">50%\u2013100%<\/span><\/td>\n<td><span style=\"font-weight: 400;\">5%\u201330%<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Permeability<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1\u00d710\u207b\u00b9\u2070 cm\u00b3\u00b7cm\/(cm\u00b2\u00b7s\u00b7Pa)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1\u00d710\u207b\u2074 cm\u00b3\u00b7cm\/(cm\u00b2\u00b7s\u00b7Pa<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Thermal Stability<\/span><\/td>\n<td><span style=\"font-weight: 400;\">-200\u00b0C to 260\u00b0C<\/span><\/td>\n<td><span style=\"font-weight: 400;\">-200\u00b0C to 200\u00b0C<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Choosing_the_Right_Modification\"><\/span><span style=\"font-weight: 400;\">Choosing the Right Modification<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Sealing Materials: Use 25% glass fiber + 5% graphite. Reduces friction by 40%. Ideal for high-pressure valves.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Medical Catheters: Plasma-grafted with acrylic acid. Increases surface hydrophilicity, reduces protein sticking by 60%.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">High-Frequency Circuit Boards: Modified with nano-Aluminum Oxide. Keeps dielectric constant stable at 2.1\u20132.3 (at 1 MHz), suitable for 5G.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-14973\" src=\"http:\/\/hansaplas.com\/wp-content\/uploads\/2025\/08\/Application-scaled.jpg\" alt=\"Application\" width=\"520\" height=\"390\" srcset=\"https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/08\/Application-scaled.jpg 2560w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/08\/Application-768x576.jpg 768w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/08\/Application-1536x1152.jpg 1536w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/08\/Application-2048x1536.jpg 2048w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/08\/Application-16x12.jpg 16w\" sizes=\"auto, (max-width: 520px) 100vw, 520px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Price\"><\/span><span style=\"font-weight: 400;\">Price<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Prices vary widely depending on the type and application. Generally, it ranges from 99 to 280 RMB per kilogram.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Definition &nbsp; Modified PTFE(also called Modified Teflon) is made by processing pure PTFE (Polytetrafluoroethylene) through special methods. It keeps the original advantages of PTFE while [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":14976,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-14970","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is modified ptfe? - Hansa<\/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:\/\/hansaplas.com\/bo\/what-is-modified-ptfe\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is modified ptfe? - Hansa\" \/>\n<meta property=\"og:description\" content=\"Definition &nbsp; Modified PTFE(also called Modified Teflon) is made by processing pure PTFE (Polytetrafluoroethylene) through special methods. 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