{"id":690,"date":"2025-02-27T10:32:25","date_gmt":"2025-02-27T02:32:25","guid":{"rendered":"https:\/\/hengoseal.com\/?p=690"},"modified":"2025-04-25T14:41:47","modified_gmt":"2025-04-25T06:41:47","slug":"fkm-seals-o-rings-guide","status":"publish","type":"post","link":"https:\/\/hengoseal.com\/th\/fkm-seals-o-rings-guide\/","title":{"rendered":"FKM Seals &#038; O-Rings: How to Select the Right Seal for Heat and Chemicals?"},"content":{"rendered":"<p>Need sealing solutions for extreme heat or aggressive chemicals? <strong>\u0e0b\u0e35\u0e25\u0e41\u0e25\u0e30\u0e42\u0e2d\u0e23\u0e34\u0e07 FKM<\/strong> might be exactly what your application demands.<br \/>\nFKM O-rings resist heat up to 250\u00b0C and offer unmatched chemical durability\u2014ideal for fuel systems, hydraulics, and industrial equipment.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/hengoseal.com\/wp-content\/uploads\/2025\/02\/Sample-.jpg\" alt=\"placeholder_image\" \/><\/p>\n<p>Let\u2019s explore how FKM seals work, what makes them different, and how to choose the best one for your system.<\/p>\n<h2>What makes FKM O-rings better than standard rubber seals?<\/h2>\n<p>Not all seals can handle extreme environments\u2014FKM seals are engineered for them.<br \/>\nThey outperform standard rubber in heat, pressure, and chemical exposure.<\/p>\n<p>Here\u2019s how FKM compares to typical elastomers like NBR or EPDM:<\/p>\n<table>\n<thead>\n<tr>\n<th>\u0e04\u0e38\u0e13\u0e2a\u0e21\u0e1a\u0e31\u0e15\u0e34<\/th>\n<th>\u0e0b\u0e35\u0e25 FKM<\/th>\n<th>\u0e0b\u0e35\u0e25\u0e22\u0e32\u0e07\u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0e04\u0e27\u0e32\u0e21\u0e17\u0e19\u0e17\u0e32\u0e19\u0e15\u0e48\u0e2d\u0e2d\u0e38\u0e13\u0e2b\u0e20\u0e39\u0e21\u0e34<\/td>\n<td>\u0e2a\u0e39\u0e07\u0e16\u0e36\u0e07 250\u00b0C (482\u00b0F)<\/td>\n<td>Usually up to 150\u00b0C (302\u00b0F)<\/td>\n<\/tr>\n<tr>\n<td>\u0e17\u0e19\u0e17\u0e32\u0e19\u0e15\u0e48\u0e2d\u0e2a\u0e32\u0e23\u0e40\u0e04\u0e21\u0e35<\/td>\n<td>Excellent against fuels &amp; acids<\/td>\n<td>Limited resistance<\/td>\n<\/tr>\n<tr>\n<td>\u0e2d\u0e32\u0e22\u0e38\u0e22\u0e37\u0e19\u0e22\u0e32\u0e27<\/td>\n<td>5+ years in harsh conditions<\/td>\n<td>Wears faster<\/td>\n<\/tr>\n<tr>\n<td>\u0e0a\u0e38\u0e14\u0e01\u0e32\u0e23\u0e1a\u0e35\u0e1a\u0e2d\u0e31\u0e14<\/td>\n<td>Low (excellent elasticity)<\/td>\n<td>Higher (loses shape)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\ud83d\udca1 Curious about how FKM compares to fluorocarbon rubber? Check our <a href=\"https:\/\/hengoseal.com\/th\/fluorocarbon-vs-fkm-seals\/\" target=\"_blank\">FKM vs. Fluorocarbon guide<\/a> for in-depth insights.<\/p>\n<h2>What industries rely on FKM seals?<\/h2>\n<p>FKM seals are essential for industries where failure is not an option.<br \/>\nThey\u2019re especially valuable where sealing must remain stable under extreme heat or corrosive chemicals.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/hengoseal.com\/wp-content\/uploads\/2025\/02\/3.FKM-O-RING-ID71-2.65mm-scaled.jpg\" alt=\"placeholder_image\" \/><\/p>\n<h3>FKM O-Ring Applications in Automotive, Aerospace &amp; Industrial Systems<\/h3>\n<ul>\n<li><strong>\u0e22\u0e32\u0e19\u0e22\u0e19\u0e15\u0e4c<\/strong>: Engines, transmission, fuel injection  <\/li>\n<li><strong>\u0e01\u0e32\u0e23\u0e1a\u0e34\u0e19\u0e41\u0e25\u0e30\u0e2d\u0e27\u0e01\u0e32\u0e28<\/strong>: Jet engines, hydraulic circuits  <\/li>\n<li><strong>\u0e1b\u0e31\u0e4a\u0e21\u0e2d\u0e38\u0e15\u0e2a\u0e32\u0e2b\u0e01\u0e23\u0e23\u0e21<\/strong>: Oil seals, rotating equipment  <\/li>\n<li><strong>\u0e19\u0e49\u0e33\u0e21\u0e31\u0e19\u0e41\u0e25\u0e30\u0e01\u0e4a\u0e32\u0e0b<\/strong>: Chemical plants, drilling systems  <\/li>\n<\/ul>\n<p>Looking for other high-performance options? Our <a href=\"https:\/\/hengoseal.com\/th\/high-temperature-o-ring-kit-vitons\/\" target=\"_blank\">High Temperature O-Ring Kit<\/a> is built for aggressive sealing environments.<\/p>\n<h2>Can FKM seals handle high temperatures?<\/h2>\n<p>Absolutely\u2014FKM is designed for it.<br \/>\nIts resistance up to 250\u00b0C makes it ideal for heat-critical systems.<\/p>\n<p>Unlike NBR or silicone that degrade under heat, FKM:<\/p>\n<ul>\n<li>Retains flexibility in hot zones  <\/li>\n<li>Doesn\u2019t crack under thermal cycling  <\/li>\n<li>Handles hot oils, fuels, and vapors without swelling  <\/li>\n<\/ul>\n<p>That\u2019s why it\u2019s trusted in turbochargers, jet engines, and refinery valves.<\/p>\n<h2>How do I select the right FKM seal?<\/h2>\n<p>Picking the best FKM seal depends on matching it to your working conditions.<br \/>\nHere\u2019s what to consider:<\/p>\n<table>\n<thead>\n<tr>\n<th>\u0e1b\u0e31\u0e08\u0e08\u0e31\u0e22<\/th>\n<th>\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e33\u0e04\u0e31\u0e0d<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0e0a\u0e48\u0e27\u0e07\u0e2d\u0e38\u0e13\u0e2b\u0e20\u0e39\u0e21\u0e34<\/td>\n<td>Choose FKM for 150\u2013250\u00b0C environments<\/td>\n<\/tr>\n<tr>\n<td>\u0e04\u0e27\u0e32\u0e21\u0e40\u0e02\u0e49\u0e32\u0e01\u0e31\u0e19\u0e44\u0e14\u0e49\u0e17\u0e32\u0e07\u0e40\u0e04\u0e21\u0e35<\/td>\n<td>Ensure compatibility with fuel, acid, oil<\/td>\n<\/tr>\n<tr>\n<td>\u0e23\u0e30\u0e14\u0e31\u0e1a\u0e41\u0e23\u0e07\u0e14\u0e31\u0e19<\/td>\n<td>Match durometer (typically 70\u201390 Shore A)<\/td>\n<\/tr>\n<tr>\n<td>Application Design<\/td>\n<td>Account for compression, groove, and fluid type<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Need cost-efficiency insights too? Review our <a href=\"https:\/\/hengoseal.com\/th\/o-ring-cost-selection-guide\/\" target=\"_blank\">O-Ring Cost Guide<\/a> before bulk purchasing.<\/p>\n<h2>Where can I buy high-performance FKM O-rings?<\/h2>\n<p>Hengoseal supplies durable, tested, and customizable <strong>FKM O-rings and seals<\/strong>.<br \/>\nWhether you need standard or OEM specs, we can deliver at scale.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/hengoseal.com\/wp-content\/uploads\/2025\/02\/8.FKM-O-RING-OD110-5.7mm-scaled.jpg\" alt=\"placeholder_image\" \/><\/p>\n<p>\u2705 What we offer:<\/p>\n<ul>\n<li>Custom sizes &amp; profiles  <\/li>\n<li>Low minimum order quantities  <\/li>\n<li>Fast global delivery  <\/li>\n<li>Direct factory pricing  <\/li>\n<\/ul>\n<p>\u0e2a\u0e33\u0e23\u0e27\u0e08\u0e02\u0e2d\u0e07\u0e40\u0e23\u0e32 <a href=\"https:\/\/hengoseal.com\/th\/product\/fkm-o-ring\/\" target=\"_blank\">\u0e2b\u0e19\u0e49\u0e32\u0e1c\u0e25\u0e34\u0e15\u0e20\u0e31\u0e13\u0e11\u0e4c\u0e42\u0e2d\u0e23\u0e34\u0e07 FKM<\/a> for technical specs and samples.<\/p>\n<h2>\u0e1a\u0e17\u0e2a\u0e23\u0e38\u0e1b<\/h2>\n<p>FKM seals are your go-to solution when sealing conditions are tough. They resist heat, chemicals, and pressure\u2014lasting longer where other elastomers fail.<\/p>\n<h2>Contact us for FKM seals that perform under pressure<\/h2>\n<p>\ud83d\udce7 \u0e2d\u0e35\u0e40\u0e21\u0e25: info@hengoseal.com<br \/>\n\ud83d\udcde\u0e27\u0e2d\u0e15\u0e2a\u0e4c\u0e41\u0e2d\u0e1b: +86 17622979498  <\/p>\n<h2>Related topic<\/h2>\n<ul>\n<li><a href=\"https:\/\/hengoseal.com\/th\/fluorocarbon-vs-fkm-seals\/\" target=\"_blank\">Fluorocarbon vs. FKM: Key Differences &amp; Use Cases<\/a>  <\/li>\n<li><a href=\"https:\/\/hengoseal.com\/th\/fkm-o-ring-vs-nbr-o-ring\/\" target=\"_blank\">FKM vs. NBR O-Rings: Which is Better?<\/a>  <\/li>\n<li><a href=\"https:\/\/hengoseal.com\/th\/o-ring-cost-selection-guide\/\" target=\"_blank\">O-Ring Selection &amp; Pricing Guide<\/a>  <\/li>\n<li><a href=\"https:\/\/hengoseal.com\/th\/high-temperature-o-ring-kit-vitons\/\" target=\"_blank\">High Temp O-Ring Kit for Demanding Conditions<\/a>  <\/li>\n<li><a href=\"https:\/\/hengoseal.com\/th\/fkm-o-rings-high-temperature-sealing\/\" target=\"_blank\">FKM Seals for Heat &amp; Chemical Resistance<\/a><br \/>\n<style>\n.faq-question {\ncursor: pointer;\nfont-weight: bold;\npadding: 10px;\nbackground-color: #f1f1f1;\nborder: 1px solid #ddd;\nmargin-bottom: 5px;\ncolor: #0073aa;\n}\n.faq-answer {\ndisplay: none;\npadding: 10px;\nborder-left: 3px solid #0073aa;\nbackground-color: #f9f9f9;\nmargin-bottom: 10px;\n}\n<\/style>\n<p><script>\ndocument.addEventListener('DOMContentLoaded', function() {\nconst questions = document.querySelectorAll('.faq-question');\nquestions.forEach(question => {\nquestion.addEventListener('click', function() {\nconst answer = this.nextElementSibling;\nanswer.style.display = answer.style.display === 'block' ? 'none' : 'block';\n});\n});\n});\n<\/script><br \/>\n<!-- JSON-LD FAQ Schema --><br \/>\n<script type=\"application\/ld+json\">\n{\n\"@context\": \"https:\/\/schema.org\",\n\"@type\": \"FAQPage\",\n\"mainEntity\": [\n{\n\"@type\": \"Question\",\n\"name\": \"What&rsquo;s the difference between FKM and Viton&reg;?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Viton&reg; is a brand name; FKM is the generic name. Chemically, they&rsquo;re identical.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"Are FKM O-rings food-grade?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Standard FKM isn&rsquo;t. For food-grade, ask for FDA-certified variants.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"How long do FKM O-rings last?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"5&ndash;10 years depending on conditions like heat, chemicals, and cycle rates.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"Is FKM resistant to hydraulic fluids?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Yes, it&rsquo;s ideal for hydraulic oils and industrial fluids.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"Can FKM withstand outdoor UV and ozone?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Absolutely&mdash;it&rsquo;s highly weather-resistant.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"What durometer should I choose?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Use 70&ndash;90 Shore A depending on pressure. Ask us if unsure.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"Is FKM expensive compared to NBR?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Yes, but it lasts longer&mdash;reducing long-term cost.\"\n}\n},\n{\n\"@type\": \"Question\",\n\"name\": \"Can you supply customized FKM seals?\",\n\"acceptedAnswer\": {\n\"@type\": \"Answer\",\n\"text\": \"Yes! We provide OEM\/ODM services with low MOQ and fast delivery.\"\n}\n}\n]\n}\n<\/script><\/p>\n<h2>\u0e1c\u0e39\u0e49\u0e04\u0e19\u0e22\u0e31\u0e07\u0e16\u0e32\u0e21<\/h2>\n<div class=\"faq-container\">\n<div class=\"faq-question\">1. What\u2019s the difference between FKM and Viton\u00ae?<\/div>\n<div class=\"faq-answer\">Viton\u00ae is a brand name; FKM is the generic name. Chemically, they\u2019re identical.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">2. Are FKM O-rings food-grade?<\/div>\n<div class=\"faq-answer\">Standard FKM isn\u2019t. For food-grade, ask for FDA-certified variants.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">3. How long do FKM O-rings last?<\/div>\n<div class=\"faq-answer\">5\u201310 years depending on conditions like heat, chemicals, and cycle rates.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">4. Is FKM resistant to hydraulic fluids?<\/div>\n<div class=\"faq-answer\">Yes, it\u2019s ideal for hydraulic oils and industrial fluids.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">5. Can FKM withstand outdoor UV and ozone?<\/div>\n<div class=\"faq-answer\">Absolutely\u2014it\u2019s highly weather-resistant.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">6. What durometer should I choose?<\/div>\n<div class=\"faq-answer\">Use 70\u201390 Shore A depending on pressure. Ask us if unsure.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">7. Is FKM expensive compared to NBR?<\/div>\n<div class=\"faq-answer\">Yes, but it lasts longer\u2014reducing long-term cost.<\/div>\n<\/div>\n<div class=\"faq-container\">\n<div class=\"faq-question\">8. Can you supply customized FKM seals?<\/div>\n<div class=\"faq-answer\">Yes! We provide OEM\/ODM services with low MOQ and fast delivery.<\/div>\n<\/div>\n<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Need sealing solutions for extreme heat or aggressive chemicals? FKM seals and O-rings might be exactly what your application demands. [&hellip;]<\/p>","protected":false},"author":1,"featured_media":693,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"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":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","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":"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":"","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-4)","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-4)","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-4)","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":[37],"tags":[],"class_list":["post-690","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-o-ring-seals"],"_links":{"self":[{"href":"https:\/\/hengoseal.com\/th\/wp-json\/wp\/v2\/posts\/690","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hengoseal.com\/th\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hengoseal.com\/th\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hengoseal.com\/th\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hengoseal.com\/th\/wp-json\/wp\/v2\/comments?post=690"}],"version-history":[{"count":0,"href":"https:\/\/hengoseal.com\/th\/wp-json\/wp\/v2\/posts\/690\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hengoseal.com\/th\/wp-json\/wp\/v2\/media\/693"}],"wp:attachment":[{"href":"https:\/\/hengoseal.com\/th\/wp-json\/wp\/v2\/media?parent=690"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hengoseal.com\/th\/wp-json\/wp\/v2\/categories?post=690"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hengoseal.com\/th\/wp-json\/wp\/v2\/tags?post=690"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}