{"id":2768,"date":"2025-10-10T10:01:20","date_gmt":"2025-10-10T02:01:20","guid":{"rendered":"https:\/\/ptfesuppliers.com\/?post_type=product&#038;p=2768"},"modified":"2026-04-08T11:11:04","modified_gmt":"2026-04-08T03:11:04","slug":"expanded-ptfe-sheet","status":"publish","type":"product","link":"https:\/\/ptfesuppliers.com\/fr\/product\/expanded-ptfe-sheet\/","title":{"rendered":"Feuille de PTFE expans\u00e9"},"content":{"rendered":"<h2 data-start=\"0\" data-end=\"25\"><strong data-start=\"0\" data-end=\"23\">Introduction<\/strong><\/h2>\n<p data-start=\"27\" data-end=\"486\">Expanded PTFE sheet is a premium sealing material made from 100% virgin polytetrafluoroethylene (PTFE) through a unique stretching process. This process creates a micro-fibrillated structure that combines PTFE\u2019s unmatched chemical inertness with excellent softness, flexibility, and elasticity. It is an ideal choice for static sealing applications in harsh environments where temperature fluctuations, vibration, or flange surface irregularities may occur.<\/p>\n<h2 data-start=\"488\" data-end=\"502\">Features<\/h2>\n<ul data-start=\"503\" data-end=\"1532\">\n<li data-start=\"503\" data-end=\"675\">\n<p data-start=\"505\" data-end=\"675\"><strong data-start=\"505\" data-end=\"539\">Excellent Chemical Resistance:<\/strong> Resistant to almost all strong acids, alkalis, oxidizers, and organic solvents, making it suitable for highly corrosive environments.<\/p>\n<\/li>\n<li data-start=\"676\" data-end=\"857\">\n<p data-start=\"678\" data-end=\"857\"><strong data-start=\"678\" data-end=\"711\">Exceptional Seal Reliability:<\/strong> Its expandability allows it to fill even microscopic flange irregularities, ensuring tight sealing and self-tightening under internal pressure.<\/p>\n<\/li>\n<li data-start=\"858\" data-end=\"972\">\n<p data-start=\"860\" data-end=\"972\"><strong data-start=\"860\" data-end=\"887\">Large plage de temp\u00e9ratures :<\/strong> Works steadily between -196\u00b0C and +260\u00b0C, with short-term resistance up to +300\u00b0C.<\/p>\n<\/li>\n<li data-start=\"973\" data-end=\"1131\">\n<p data-start=\"975\" data-end=\"1131\"><strong data-start=\"975\" data-end=\"1011\">Superior Anti-Creep Performance:<\/strong> The fibrous structure significantly improves resistance to compression creep and cold flow compared to <a href=\"https:\/\/ptfesuppliers.com\/fr\/bronze-filled-ptfe-sheet-benefits\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"9\">standard PTFE<\/a>.<\/p>\n<\/li>\n<li data-start=\"1132\" data-end=\"1277\">\n<p data-start=\"1134\" data-end=\"1277\"><strong data-start=\"1134\" data-end=\"1166\">Non-Contaminating and Clean:<\/strong> 100% pure PTFE, free from binders or pigments, ideal for food, pharmaceutical, and semiconductor industries.<\/p>\n<\/li>\n<li data-start=\"1278\" data-end=\"1413\">\n<p data-start=\"1280\" data-end=\"1413\"><strong data-start=\"1280\" data-end=\"1315\">Flexible and Easy Installation:<\/strong> Soft and adaptable to uneven surfaces, easy to cut and remove without sticking to flange faces.<\/p>\n<\/li>\n<li data-start=\"1414\" data-end=\"1532\">\n<p data-start=\"1416\" data-end=\"1532\"><strong data-start=\"1416\" data-end=\"1438\">Long Service Life:<\/strong> High chemical stability and anti-aging performance minimize maintenance costs and downtime.<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"1534\" data-end=\"1552\">Applications<\/h2>\n<ul data-start=\"1553\" data-end=\"2361\">\n<li data-start=\"1553\" data-end=\"1744\">\n<p data-start=\"1555\" data-end=\"1744\"><strong data-start=\"1555\" data-end=\"1584\">Chemical &amp; Petrochemical:<\/strong> Used in reactors, heat exchangers, pumps, and valves for <a href=\"https:\/\/ptfesuppliers.com\/fr\/product\/ptfe-encapsulated-sleeve-for-high-purity-and-corrosive-media-sealing\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"11\">sealing strong corrosive media<\/a> such as chlorine gas, concentrated sulfuric acid, and strong alkalis.<\/p>\n<\/li>\n<li data-start=\"1745\" data-end=\"1894\">\n<p data-start=\"1747\" data-end=\"1894\"><strong data-start=\"1747\" data-end=\"1782\">Industrie pharmaceutique et biotechnologique :<\/strong> Ideal for <a href=\"https:\/\/ptfesuppliers.com\/fr\/product\/ptfe-soft-connectors-the-ultimate-solution-for-industrial-pipe-systems\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"10\">sanitary piping systems<\/a>, fermenters, and filtration equipment requiring contamination-free sealing.<\/p>\n<\/li>\n<li data-start=\"1895\" data-end=\"2012\">\n<p data-start=\"1897\" data-end=\"2012\"><strong data-start=\"1897\" data-end=\"1917\">Food &amp; Beverage:<\/strong> Withstands high-temperature CIP\/SIP cleaning and sterilization cycles without contamination.<\/p>\n<\/li>\n<li data-start=\"2013\" data-end=\"2146\">\n<p data-start=\"2015\" data-end=\"2146\"><strong data-start=\"2015\" data-end=\"2047\">Semiconducteurs et \u00e9lectronique :<\/strong> Ensures high-purity sealing for chemical delivery systems carrying etching or developing fluids.<\/p>\n<\/li>\n<li data-start=\"2147\" data-end=\"2250\">\n<p data-start=\"2149\" data-end=\"2250\"><strong data-start=\"2149\" data-end=\"2168\">Power &amp; Energy:<\/strong> Suitable for FGD systems, LNG facilities, and high-temperature steam pipelines.<\/p>\n<\/li>\n<li data-start=\"2251\" data-end=\"2361\">\n<p data-start=\"2253\" data-end=\"2361\"><strong data-start=\"2253\" data-end=\"2282\">Paper &amp; Textile Industry:<\/strong> Perfect for corrosive process stages such as bleaching and dyeing equipment.<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"2870\" data-end=\"2883\">Summary<\/h2>\n<p data-start=\"2884\" data-end=\"3210\">Expanded PTFE sheet delivers exceptional sealing performance through its micro-fibrillated structure, offering elasticity, chemical resistance, and adaptability to surface imperfections. It is a reliable, clean, and <a href=\"https:\/\/ptfesuppliers.com\/fr\/china-expanded-ptfe-gasket-factory\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"8\">durable sealing solution suitable for industries<\/a> ranging from chemical processing to high-purity applications.<\/p>","protected":false},"excerpt":{"rendered":"<p data-start=\"2386\" data-end=\"2420\"><strong data-start=\"2386\" data-end=\"2399\">Mat\u00e9riel:<\/strong> 100% Expanded PTFE<\/p>\n<p data-start=\"2423\" data-end=\"2453\"><strong data-start=\"2423\" data-end=\"2435\">Densit\u00e9:<\/strong> 0.4 \u2013 0.8 g\/cm\u00b3<\/p>\n<p data-start=\"2456\" data-end=\"2493\"><strong data-start=\"2456\" data-end=\"2477\">R\u00e9sistance \u00e0 la traction:<\/strong> 2.0 \u2013 5.0 MPa<\/p>\n<p data-start=\"2496\" data-end=\"2533\"><strong data-start=\"2496\" data-end=\"2520\">Allongement \u00e0 la rupture :<\/strong> 50% \u2013 200%<\/p>\n<p data-start=\"2536\" data-end=\"2573\"><strong data-start=\"2536\" data-end=\"2560\">Rigidit\u00e9 di\u00e9lectrique :<\/strong> \u2265 20 kV\/mm<\/p>\n<p data-start=\"2576\" data-end=\"2629\"><strong data-start=\"2576\" data-end=\"2603\">Contraction Percentage:<\/strong> \u2264 4% (at 250\u00b0C, 30 min)<\/p>\n<p data-start=\"2632\" data-end=\"2663\"><strong data-start=\"2632\" data-end=\"2653\">Absorption d&#039;eau :<\/strong> &lt; 0,01%<\/p>\n<p data-start=\"2666\" data-end=\"2732\"><strong data-start=\"2666\" data-end=\"2690\">Temp\u00e9rature de fonctionnement :<\/strong> -196\u00b0C to +260\u00b0C (short-term to +300\u00b0C)<\/p>\n<p data-start=\"2735\" data-end=\"2822\"><strong data-start=\"2735\" data-end=\"2753\">Pression au travail :<\/strong> PN10 \u2013 PN40 (1.0 \u2013 4.0 MPa), depending on thickness and conditions<\/p>\n<p data-start=\"2825\" data-end=\"2846\"><strong data-start=\"2825\" data-end=\"2835\">Brand:<\/strong> Chunhuan<\/p>\n<p data-start=\"2849\" data-end=\"2868\"><strong data-start=\"2849\" data-end=\"2860\">Origine:<\/strong> Chine<\/p>","protected":false},"featured_media":3913,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[35,39],"product_tag":[],"class_list":["post-2768","product","type-product","status-publish","has-post-thumbnail","product_cat-ptfe-products","product_cat-expanded-ptfe-eptfe-products","first","instock","shipping-taxable","product-type-simple"],"gallery_images":[2759,2758,2757,2756],"_links":{"self":[{"href":"https:\/\/ptfesuppliers.com\/fr\/wp-json\/wp\/v2\/product\/2768","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ptfesuppliers.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ptfesuppliers.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/ptfesuppliers.com\/fr\/wp-json\/wp\/v2\/comments?post=2768"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ptfesuppliers.com\/fr\/wp-json\/wp\/v2\/media\/3913"}],"wp:attachment":[{"href":"https:\/\/ptfesuppliers.com\/fr\/wp-json\/wp\/v2\/media?parent=2768"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ptfesuppliers.com\/fr\/wp-json\/wp\/v2\/product_brand?post=2768"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ptfesuppliers.com\/fr\/wp-json\/wp\/v2\/product_cat?post=2768"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ptfesuppliers.com\/fr\/wp-json\/wp\/v2\/product_tag?post=2768"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}