{"id":10230,"date":"2025-12-23T11:24:10","date_gmt":"2025-12-23T03:24:10","guid":{"rendered":"https:\/\/dewintech.com\/?post_type=material&#038;p=10230"},"modified":"2025-12-23T14:16:54","modified_gmt":"2025-12-23T06:16:54","slug":"ptfe","status":"publish","type":"material","link":"https:\/\/dewintech.com\/fr\/material\/ptfe\/","title":{"rendered":"PTFE"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"10230\" class=\"elementor elementor-10230\" data-elementor-post-type=\"material\">\n\t\t\t\t<div class=\"elementor-element elementor-element-67b62de8 e-flex e-con-boxed elementor-repeater-item-default_padding sk-none elementor-repeater-item-none elementor-repeater-item-none_hover e-con e-parent\" data-id=\"67b62de8\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;ang_container_spacing_size&quot;:&quot;default_padding&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-638695d3 e-con-full e-flex elementor-repeater-item-default_padding elementor-repeater-item-none elementor-repeater-item-none_hover e-con e-child\" data-id=\"638695d3\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ang_container_spacing_size&quot;:&quot;default_padding&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-75d44d9e elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-heading\" data-id=\"75d44d9e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">PTFE<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7797da75 elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-button\" data-id=\"7797da75\" data-element_type=\"widget\" data-e-type=\"widget\" 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\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjEyMTYiLCJ0b2dnbGUiOmZhbHNlfQ%3D%3D\">\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\">Obtenir des devis de mat\u00e9riaux<\/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>\n\t\t<div class=\"elementor-element elementor-element-72a2d597 e-con-full e-flex elementor-repeater-item-default_padding elementor-repeater-item-none elementor-repeater-item-none_hover e-con e-child\" data-id=\"72a2d597\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ang_container_spacing_size&quot;:&quot;default_padding&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4a712f27 external_elementor-repeater-item-none_external elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-image\" data-id=\"4a712f27\" 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 fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"225\" src=\"https:\/\/dewintech.com\/wp-content\/uploads\/2025\/12\/u22153691663306958347fm253app13-300x225.png\" class=\"attachment-medium size-medium wp-image-10244\" alt=\"\" srcset=\"https:\/\/dewintech.com\/wp-content\/uploads\/2025\/12\/u22153691663306958347fm253app13-300x225.png 300w, https:\/\/dewintech.com\/wp-content\/uploads\/2025\/12\/u22153691663306958347fm253app13-1024x768.png 1024w, https:\/\/dewintech.com\/wp-content\/uploads\/2025\/12\/u22153691663306958347fm253app13-768x576.png 768w, https:\/\/dewintech.com\/wp-content\/uploads\/2025\/12\/u22153691663306958347fm253app13-600x450.png 600w, https:\/\/dewintech.com\/wp-content\/uploads\/2025\/12\/u22153691663306958347fm253app13.png 1067w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2df7f33f e-flex e-con-boxed elementor-repeater-item-default_padding elementor-repeater-item-none elementor-repeater-item-none_hover e-con e-parent\" data-id=\"2df7f33f\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ang_container_spacing_size&quot;:&quot;default_padding&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-43112e8e elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-woocommerce-breadcrumb\" data-id=\"43112e8e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"woocommerce-breadcrumb.default\">\n\t\t\t\t\t<nav class=\"woocommerce-breadcrumb\" aria-label=\"Breadcrumb\" data-no-translation=\"\" data-trp-gettext=\"\">Home<\/nav>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-460bade5 elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-text-editor\" data-id=\"460bade5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2 data-path-to-node=\"0\">PTFE : Le ma\u00eetre du faible frottement et de l'inertie chimique<\/h2><p data-path-to-node=\"1\"><b data-path-to-node=\"1\" data-index-in-node=\"0\">PTFE (Polyt\u00e9trafluoro\u00e9thyl\u00e8ne)<\/b>, largement reconnu sous le nom de marque <b data-path-to-node=\"1\" data-index-in-node=\"68\">Teflon<\/b>, est un fluoropolym\u00e8re unique qui r\u00e9sout les probl\u00e8mes de friction et de corrosion les plus difficiles en usinage CNC. B\u00e9n\u00e9ficiant d'un des coefficients de friction les plus bas de tous les mat\u00e9riaux solides, le PTFE est la solution ultime \u201canti-adh\u00e9sive\u201d pour les joints d'\u00e9tanch\u00e9it\u00e9, les garnitures et les composants coulissants haute performance.<\/p><h3 data-path-to-node=\"2\">Les capacit\u00e9s extraordinaires du PTFE<\/h3><ul data-path-to-node=\"3\"><li><p data-path-to-node=\"3,0,0\"><b data-path-to-node=\"3,0,0\" data-index-in-node=\"0\">Lubrification in\u00e9gal\u00e9e :<\/b> Avec un coefficient de friction aussi bas que 0,05, il permet aux pi\u00e8ces m\u00e9caniques de glisser sans effort, sans avoir besoin d'huiles ou de graisses externes.<\/p><\/li><li><p data-path-to-node=\"3,1,0\"><b data-path-to-node=\"3,1,0\" data-index-in-node=\"0\">R\u00e9sistance chimique universelle :<\/b> Le PTFE est pratiquement imperm\u00e9able \u00e0 presque tous les acides, bases et solvants, ce qui en fait la norme pour les environnements de haute puret\u00e9 et corrosifs.<\/p><\/li><li><p data-path-to-node=\"3,2,0\"><b data-path-to-node=\"3,2,0\" data-index-in-node=\"0\">Plage de temp\u00e9ratures extr\u00eames :<\/b> Il reste stable et flexible des basses temp\u00e9ratures cryog\u00e9niques de <b data-path-to-node=\"3,2,0\" data-index-in-node=\"81\">-200\u00b0C<\/b> aux temp\u00e9ratures \u00e9lev\u00e9es de <b data-path-to-node=\"3,2,0\" data-index-in-node=\"110\">+260\u00b0C<\/b>.<\/p><\/li><li><p data-path-to-node=\"3,3,0\"><b data-path-to-node=\"3,3,0\" data-index-in-node=\"0\">Excellentes propri\u00e9t\u00e9s di\u00e9lectriques :<\/b> C'est un excellent isolant \u00e9lectrique, particuli\u00e8rement dans les applications \u00e0 haute fr\u00e9quence comme les t\u00e9l\u00e9communications a\u00e9rospatiales.<\/p><\/li><\/ul><h3 data-path-to-node=\"4\">Sp\u00e9cifications techniques<\/h3><table data-path-to-node=\"5\"><thead><tr><td><strong>Propri\u00e9t\u00e9<\/strong><\/td><td><strong>Valeur typique (PTFE vierge)<\/strong><\/td><td><strong>Unit\u00e9<\/strong><\/td><\/tr><\/thead><tbody><tr><td><span data-path-to-node=\"5,1,0,0\"><b data-path-to-node=\"5,1,0,0\" data-index-in-node=\"0\">Coefficient de friction (dynamique)<\/b><\/span><\/td><td><span data-path-to-node=\"5,1,1,0\">0,05 \u2013 0,10<\/span><\/td><td><span data-path-to-node=\"5,1,2,0\">\u2013<\/span><\/td><\/tr><tr><td><span data-path-to-node=\"5,2,0,0\"><b data-path-to-node=\"5,2,0,0\" data-index-in-node=\"0\">R\u00e9sistance \u00e0 la traction<\/b><\/span><\/td><td><span data-path-to-node=\"5,2,1,0\">20 \u2013 35<\/span><\/td><td><span data-path-to-node=\"5,2,2,0\">MPa<\/span><\/td><\/tr><tr><td><span data-path-to-node=\"5,3,0,0\"><b data-path-to-node=\"5,3,0,0\" data-index-in-node=\"0\">Allongement \u00e0 la rupture<\/b><\/span><\/td><td><span data-path-to-node=\"5,3,1,0\">200 \u2013 400<\/span><\/td><td><span data-path-to-node=\"5,3,2,0\">%<\/span><\/td><\/tr><tr><td><span data-path-to-node=\"5,4,0,0\"><b data-path-to-node=\"5,4,0,0\" data-index-in-node=\"0\">Densit\u00e9<\/b><\/span><\/td><td><span data-path-to-node=\"5,4,1,0\">2.14 \u2013 2.20<\/span><\/td><td><span data-path-to-node=\"5,4,2,0\">g\/cm\u00b3<\/span><\/td><\/tr><tr><td><span data-path-to-node=\"5,5,0,0\"><b data-path-to-node=\"5,5,0,0\" data-index-in-node=\"0\">Water Absorption<\/b><\/span><\/td><td><span data-path-to-node=\"5,5,1,0\">&lt; 0.01<\/span><\/td><td><span data-path-to-node=\"5,5,2,0\">%<\/span><\/td><\/tr><tr><td><span data-path-to-node=\"5,6,0,0\"><b data-path-to-node=\"5,6,0,0\" data-index-in-node=\"0\">Service Temperature<\/b><\/span><\/td><td><span data-path-to-node=\"5,6,1,0\">-200 to +260<\/span><\/td><td><span data-path-to-node=\"5,6,2,0\">\u00b0C<\/span><\/td><\/tr><tr><td><span data-path-to-node=\"5,7,0,0\"><b data-path-to-node=\"5,7,0,0\" data-index-in-node=\"0\">Dielectric Strength<\/b><\/span><\/td><td><span data-path-to-node=\"5,7,1,0\">18 \u2013 20<\/span><\/td><td><span data-path-to-node=\"5,7,2,0\">kV\/mm<\/span><\/td><\/tr><\/tbody><\/table><h3 data-path-to-node=\"6\">Primary Applications &amp; Engineering Insights<\/h3><p data-path-to-node=\"7\"><b data-path-to-node=\"7\" data-index-in-node=\"0\">Core Industries:<\/b><\/p><ul data-path-to-node=\"8\"><li><p data-path-to-node=\"8,0,0\"><b data-path-to-node=\"8,0,0\" data-index-in-node=\"0\">Chemical Processing:<\/b> Valve seats, pump diaphragms, and acid-resistant linings.<\/p><\/li><li><p data-path-to-node=\"8,1,0\"><b data-path-to-node=\"8,1,0\" data-index-in-node=\"0\">Medical &amp; Food:<\/b> Non-contaminating laboratory equipment, surgical tools, and food-grade bushings.<\/p><\/li><li><p data-path-to-node=\"8,2,0\"><b data-path-to-node=\"8,2,0\" data-index-in-node=\"0\">\u00c9lectronique :<\/b> Isolation de c\u00e2ble \u00e0 haute vitesse, entretoises et connecteurs RF.<\/p><\/li><li><p data-path-to-node=\"8,3,0\"><b data-path-to-node=\"8,3,0\" data-index-in-node=\"0\">M\u00e9canique :<\/b> Segments de piston, paliers lisses et plaques d'usure pour environnements non lubrifi\u00e9s.<\/p><\/li><\/ul><p data-path-to-node=\"9\"><b data-path-to-node=\"9\" data-index-in-node=\"0\">Consid\u00e9rations d'usinage :<\/b> Le PTFE est un mat\u00e9riau \u201c\u00a0tendre\u00a0\u201d avec une dilatation thermique \u00e9lev\u00e9e et une \u201c\u00a0m\u00e9moire \u00e9lastique\u00a0\u201d. Cela signifie que le mat\u00e9riau a tendance \u00e0 se comprimer sous la pression de l'outil et \u00e0 se dilater lorsqu'il est chauff\u00e9. L'obtention d'une haute pr\u00e9cision n\u00e9cessite des outils tranchants et une compr\u00e9hension approfondie de la tendance du mat\u00e9riau \u00e0 d\u00e9river apr\u00e8s la coupe.<\/p><h3 data-path-to-node=\"10\">Pourquoi choisir Dewintech pour l'usinage du PTFE ?<\/h3><p data-path-to-node=\"11\">L'usinage du PTFE avec des tol\u00e9rances serr\u00e9es n\u00e9cessite plus qu'une configuration CNC standard ; il n\u00e9cessite un contr\u00f4le thermique et des g\u00e9om\u00e9tries d'outils sp\u00e9cialis\u00e9es. Chez <b data-path-to-node=\"11\" data-index-in-node=\"145\">Dewintech<\/b>, nous avons ma\u00eetris\u00e9 l'art de g\u00e9rer la physique unique du PTFE. Nous utilisons des broches de pr\u00e9cision \u00e0 haute vitesse et des environnements \u00e0 temp\u00e9rature constante pour garantir que vos pi\u00e8ces ne se d\u00e9forment pas et ne changent pas de dimension apr\u00e8s la livraison.<\/p><p data-path-to-node=\"12\">Que vous ayez besoin de <b data-path-to-node=\"12\" data-index-in-node=\"20\">PTFE vierge<\/b> pour une puret\u00e9 maximale ou de <b data-path-to-node=\"12\" data-index-in-node=\"54\">PTFE charg\u00e9<\/b> (charg\u00e9 de verre, de carbone ou de bronze) pour une r\u00e9sistance \u00e0 l'usure accrue, <b data-path-to-node=\"12\" data-index-in-node=\"130\">Dewintech<\/b> offre l'expertise technique n\u00e9cessaire pour transformer ce polym\u00e8re glissant en votre composant le plus fiable.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-491c2595 e-con-full elementor-repeater-item-none_hover e-flex elementor-repeater-item-default_padding 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data-widget_type=\"icon.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-cubes\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M488.6 250.2L392 214V105.5c0-15-9.3-28.4-23.4-33.7l-100-37.5c-8.1-3.1-17.1-3.1-25.3 0l-100 37.5c-14.1 5.3-23.4 18.7-23.4 33.7V214l-96.6 36.2C9.3 255.5 0 268.9 0 283.9V394c0 13.6 7.7 26.1 19.9 32.2l100 50c10.1 5.1 22.1 5.1 32.2 0l103.9-52 103.9 52c10.1 5.1 22.1 5.1 32.2 0l100-50c12.2-6.1 19.9-18.6 19.9-32.2V283.9c0-15-9.3-28.4-23.4-33.7zM358 214.8l-85 31.9v-68.2l85-37v73.3zM154 104.1l102-38.2 102 38.2v.6l-102 41.4-102-41.4v-.6zm84 291.1l-85 42.5v-79.1l85-38.8v75.4zm0-112l-102 41.4-102-41.4v-.6l102-38.2 102 38.2v.6zm240 112l-85 42.5v-79.1l85-38.8v75.4zm0-112l-102 41.4-102-41.4v-.6l102-38.2 102 38.2v.6z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-490cd607 e-con-full elementor-repeater-item-none_hover e-flex elementor-repeater-item-default_padding elementor-repeater-item-none e-con e-child\" data-id=\"490cd607\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ang_container_spacing_size&quot;:&quot;default_padding&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-34e02949 elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-heading\" data-id=\"34e02949\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Pr\u00eat \u00e0 utiliser ce mat\u00e9riau pour vos pi\u00e8ces ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6fa22432 elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-heading\" data-id=\"6fa22432\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Contactez-nous pour \u00e9valuer la fabricabilit\u00e9, les tol\u00e9rances et le co\u00fbt pour votre application sp\u00e9cifique.<\/p>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5abe1973 elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-button\" data-id=\"5abe1973\" data-element_type=\"widget\" data-e-type=\"widget\" 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-xs elementor-animation-float\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjEyMTYiLCJ0b2dnbGUiOmZhbHNlfQ%3D%3D\">\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 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Boasting one of the lowest coefficients of friction of any solid material, PTFE is the ultimate &#8220;non-stick&#8221; [&hellip;]<\/p>\n","protected":false},"featured_media":0,"menu_order":0,"template":"","format":"standard","meta":{"footnotes":""},"material_category":[241],"class_list":["post-10230","material","type-material","status-publish","format-standard","hentry","material_category-cnc-plastic-machining"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>PTFE - Dewin - Help You Make Custom Parts &amp; Assembilies in Vietnam &amp; China<\/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:\/\/dewintech.com\/fr\/materiau\/ptfe\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PTFE\" \/>\n<meta property=\"og:description\" content=\"PTFE Get material quotes PTFE: The Master of Low Friction and Chemical Inertness PTFE (Polytetrafluoroethylene), widely recognized by the brand name Teflon, is a unique fluoropolymer that solves the most challenging friction and corrosion problems in CNC machining. 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