{"id":705,"date":"2025-09-27T22:36:35","date_gmt":"2025-09-27T14:36:35","guid":{"rendered":"https:\/\/ptfesuppliers.com\/?post_type=product&#038;p=705"},"modified":"2026-04-08T15:35:00","modified_gmt":"2026-04-08T07:35:00","slug":"expanded-ptfe-gasket-eptfe-flange-sealing-solution","status":"publish","type":"product","link":"https:\/\/ptfesuppliers.com\/fr\/product\/expanded-ptfe-gasket-eptfe-flange-sealing-solution\/","title":{"rendered":"Joint en PTFE expans\u00e9 | Solution d&#039;\u00e9tanch\u00e9it\u00e9 pour brides en ePTFE"},"content":{"rendered":"<p>Engineered for perfection in the most demanding environments, Chunhuan Expanded PTFE (ePTFE) Gaskets represent the pinnacle of sealing technology. Manufactured from 100% pure PTFE through a proprietary expansion process, our gaskets create a unique microporous fibrous network that delivers near-zero leakage. They provide unmatched resistance to extreme temperatures, aggressive chemicals, and corrosive media, making them the trusted sealing solution for critical applications across global industries.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-781 size-full\" src=\"https:\/\/ptfesuppliers.com\/wp-content\/uploads\/2025\/09\/expanded-PTFE-gasket-1.webp\" alt=\"expanded-PTFE-gasket\" width=\"800\" height=\"800\" srcset=\"https:\/\/ptfesuppliers.com\/wp-content\/uploads\/2025\/09\/expanded-PTFE-gasket-1.webp 800w, https:\/\/ptfesuppliers.com\/wp-content\/uploads\/2025\/09\/expanded-PTFE-gasket-1-300x300.webp 300w, https:\/\/ptfesuppliers.com\/wp-content\/uploads\/2025\/09\/expanded-PTFE-gasket-1-600x600.webp 600w, https:\/\/ptfesuppliers.com\/wp-content\/uploads\/2025\/09\/expanded-PTFE-gasket-1-150x150.webp 150w, https:\/\/ptfesuppliers.com\/wp-content\/uploads\/2025\/09\/expanded-PTFE-gasket-1-768x768.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2><strong>Key Features &amp; Benefits:<\/strong><\/h2>\n<ul>\n<li><strong>Unrivaled <a href=\"https:\/\/ptfesuppliers.com\/fr\/product\/hot-sale-anti-sticking-turning-milling-dimensional-chemical-resistant-tools-ptfe-filled-tube\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"125\">r\u00e9sistance chimique<\/a>:<\/strong>\u00a0Virtually inert, our ePTFE gaskets are immune to almost all aggressive chemicals, including strong acids, strong alkalis, and organic solvents, preventing degradation and ensuring long-term seal integrity.<\/li>\n<li><strong>Extreme Temperature Performance:<\/strong>\u00a0Excel in a breathtaking thermal range from cryogenic temperatures as low as -268\u00b0C (liquid nitrogen) to high-temperature steam services up to +280\u00b0C, eliminating the need for multiple gasket types.<\/li>\n<li><strong>Superior Sealability &amp; Resilience:<\/strong>\u00a0The unique microporous structure is soft and highly compressible, allowing it to conform perfectly to flange surface imperfections. Its exceptional elastic recovery (&#8220;seal memory&#8221;) maintains bolt load, compensates for thermal cycling, and resists cold flow, reducing the need for frequent re-torquing.<\/li>\n<li><strong>Clean &amp; Contamination-Free:<\/strong>\u00a0Fabriqu\u00e9 \u00e0 partir de <a href=\"https:\/\/ptfesuppliers.com\/fr\/product\/customizable-size-100-pure-ptfe-skived-sheet\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"119\">100% pure PTFE<\/a> without any binders, additives, or fillers. This ensures an ultra-clean, non-contaminating <a href=\"https:\/\/ptfesuppliers.com\/fr\/product\/custom-ptfe-gasket-chemical-food-sealing\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"126\">seal critical for semiconductor<\/a>, pharmaceutical, and food processing applications (FDA compliant).<\/li>\n<li><strong>Reliability &amp; Cost Efficiency:<\/strong>\u00a0Excellent resistance to creep relaxation and cold flow ensures a stable, <a href=\"https:\/\/ptfesuppliers.com\/fr\/ptfe-gaskets-reliable-sealing-solutions\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"122\">reliable seal<\/a> under low bolt loads, significantly reducing maintenance costs and downtime over the product&#8217;s lifespan.<\/li>\n<\/ul>\n<h2><strong>Technical Specifications Table:<\/strong><\/h2>\n<table>\n<thead>\n<tr>\n<th>Propri\u00e9t\u00e9<\/th>\n<th>Value \/ Range<\/th>\n<th>Test Standard<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Mat\u00e9riel<\/td>\n<td>100% <a href=\"https:\/\/ptfesuppliers.com\/fr\/china-expanded-ptfe-gasket-factory\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"123\">PTFE expans\u00e9<\/a> (ePTFE)<\/td>\n<td>\u2013<\/td>\n<\/tr>\n<tr>\n<td>Densit\u00e9<\/td>\n<td>0.5 &#8211; 1.2 g\/cm\u00b3<\/td>\n<td>ASTM D792<\/td>\n<\/tr>\n<tr>\n<td>R\u00e9sistance \u00e0 la traction<\/td>\n<td>10 &#8211; 25 MPa<\/td>\n<td>ASTM D638<\/td>\n<\/tr>\n<tr>\n<td>Allongement \u00e0 la rupture<\/td>\n<td>300% &#8211; 500%<\/td>\n<td>ASTM D638<\/td>\n<\/tr>\n<tr>\n<td>Compression<\/td>\n<td>Excellent<\/td>\n<td>\u2013<\/td>\n<\/tr>\n<tr>\n<td>Plage de temp\u00e9rature<\/td>\n<td>-200\u00b0C to +260\u00b0C (Short-term +280\u00b0C)<\/td>\n<td>\u2013<\/td>\n<\/tr>\n<tr>\n<td>Thermal Conductivity<\/td>\n<td>Low<\/td>\n<td>\u2013<\/td>\n<\/tr>\n<tr>\n<td>Force di\u00e9lectrique<\/td>\n<td>\u2265 40 kV\/mm<\/td>\n<td>ASTM D149<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/ptfesuppliers.com\/fr\/product\/ptfe-molded-sheet\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"124\">Absorption d&#039;eau<\/a><\/td>\n<td>&lt; 0,01%<\/td>\n<td>ASTM D570<\/td>\n<\/tr>\n<tr>\n<td>r\u00e9sistance chimique<\/td>\n<td>Excellent (<a href=\"https:\/\/ptfesuppliers.com\/fr\/product\/virgin-thick-wall-ptfe-tube\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"127\">Resists virtually all chemicals)<\/a><\/td>\n<td>\u2013<\/td>\n<\/tr>\n<tr>\n<td><strong>Fire Safety<\/strong><\/td>\n<td><strong>Flame Retardant, Self-Extinguishing<\/strong><\/td>\n<td><strong>UL94 V-0<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><strong>Applications :<\/strong><\/h2>\n<p>Notre <a href=\"https:\/\/ptfesuppliers.com\/fr\/the-superior-performance-of-graphite-enhanced-eptfe-sealing-solutions\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"128\">ePTFE gaskets are specified by engineers for critical sealing<\/a> challenges in:<\/p>\n<ul>\n<li><strong>Traitement chimique :<\/strong>\u00a0Reactors, vessels, agitators, and pipe flanges handling corrosive acids and alkalis.<\/li>\n<li><strong>Semiconductor Manufacturing:<\/strong>\u00a0High-purity gas and chemical delivery systems where particulate contamination is unacceptable.<\/li>\n<li><strong>Pharmaceutical &amp; Biotech:<\/strong>\u00a0Sterile processing, freeze-dryers, and API production requiring FDA-compliant, non-extractable materials.<\/li>\n<li><strong>Food &amp; Beverage:<\/strong>\u00a0CIP (Clean-in-Place) systems, mixers, and fillers needing resistance to cleaning agents and solvents.<\/li>\n<li><strong>Oil, Gas &amp; LNG:<\/strong>\u00a0<a href=\"https:\/\/ptfesuppliers.com\/fr\/product\/ptfe-v-type-gasket\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"121\">Cryogenic valve and flange seals<\/a> in LNG service, and corrosion-resistant seals in refining.<\/li>\n<li><strong>Power Generation:<\/strong>\u00a0Seals for heat exchangers, pumps, and valves in both conventional and nuclear plants.<\/li>\n<\/ul>\n<h2><strong>Why Choose Chunhuan ePTFE Gaskets?<\/strong><\/h2>\n<ul>\n<li><strong>Proven Quality:<\/strong>\u00a0Manufactured to the highest international standards.<\/li>\n<li><strong>Custom Solutions:<\/strong>\u00a0Available in sheets, tapes, and custom-cut shapes to meet your exact specifications (ASME B16.21, DIN, JIS, etc.).<\/li>\n<li><strong>Technical Support:<\/strong>\u00a0Our engineering team can help you select the right grade and profile for your specific pressure, temperature, and media requirements.<\/li>\n<li><strong>Global Supply:<\/strong>\u00a0Reliable standard export packaging ensures products arrive in perfect condition, anywhere in the world.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Product Name: Expanded PTFE Gasket (ePTFE Gasket)<br \/>\nMat\u00e9riel: <a href=\"https:\/\/ptfesuppliers.com\/fr\/the-unmatched-benefits-of-100-virgin-ptfe-film\/\" target=\"_blank\" rel=\"noopener\" data-wpil-monitor-id=\"120\">100% Virgin PTFE<\/a>, expanded by special process<br \/>\nStructure: Microporous fiber network, non-directional<br \/>\nDensity: 0.5 \u2013 1.2 g\/cm\u00b3<br \/>\nTensile Strength: 10 \u2013 25 MPa<br \/>\nElongation at Break: 300% \u2013 500%<br \/>\nDielectric Strength: \u2265 40 kV\/mm<br \/>\nContraction Percentage: \u2264 1.5%<br \/>\nAbsorption d&#039;eau : &lt; 0,01%<br \/>\nWorking Temperature: \u2013200\u00b0C to +260\u00b0C (short-term +280\u00b0C)<br \/>\nWorking Pressure: Suitable for Class 150 (PN20) and below; up to 10\u201320 MPa depending on size and operating conditions<br \/>\nStandards: FDA compliant, clean and adhesive-free<br \/>\nMarque d\u00e9pos\u00e9e : Chunhuan<br \/>\nOrigine : Chine<br \/>\nPackaging: Standard Export Package<br \/>\nCustomization: Available as per request<\/p>","protected":false},"featured_media":3924,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[35,98],"product_tag":[],"class_list":{"0":"post-705","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ptfe-products","7":"product_cat-ptfe-gasket","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-simple"},"gallery_images":[780,781,782,779],"_links":{"self":[{"href":"https:\/\/ptfesuppliers.com\/fr\/wp-json\/wp\/v2\/product\/705","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=705"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ptfesuppliers.com\/fr\/wp-json\/wp\/v2\/media\/3924"}],"wp:attachment":[{"href":"https:\/\/ptfesuppliers.com\/fr\/wp-json\/wp\/v2\/media?parent=705"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ptfesuppliers.com\/fr\/wp-json\/wp\/v2\/product_brand?post=705"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ptfesuppliers.com\/fr\/wp-json\/wp\/v2\/product_cat?post=705"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ptfesuppliers.com\/fr\/wp-json\/wp\/v2\/product_tag?post=705"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}