{"id":39,"date":"2013-05-27T08:58:27","date_gmt":"2013-05-27T08:58:27","guid":{"rendered":"https:\/\/syunite.com\/?p=39"},"modified":"2026-08-22T11:24:09","modified_gmt":"2026-08-22T11:24:09","slug":"hnbr-o-ring","status":"publish","type":"post","link":"https:\/\/syunite.com\/?p=39","title":{"rendered":"HNBR O-Ring"},"content":{"rendered":"<h1>HNBR O-Rings for Higher-Performance Sealing<\/h1>\n<p><img decoding=\"async\" src=\"https:\/\/syunite.com\/wp-content\/uploads\/2013\/05\/26-1-300x300.jpg\" alt=\"HNBR O-Ring Manufacturer - hydrogenated nitrile O-rings for A\/C systems\" \/><\/p>\n<h2>Product Overview<\/h2>\n<p>Shiny Unite manufactures HNBR (hydrogenated nitrile) O-rings for higher-performance sealing applications. HNBR is widely used in air-conditioning and automotive air-conditioning systems, with excellent resistance to cold media such as HCFC-134a, FC-12, R404, R407C, R410A and ammonia.<\/p>\n<h2>Material &amp; Construction<\/h2>\n<p>Our HNBR O-rings are available in a hardness range of 60 to 90 Shore A, with a service temperature range of -40&deg;C to 175&deg;C.<\/p>\n<h2>Applications<\/h2>\n<ul>\n<li>Air-conditioner and automotive air-conditioner systems<\/li>\n<li>Related accessories such as compressors and pipes<\/li>\n<li>Automotive and low-temperature media sealing<\/li>\n<li>Oil and water media sealing<\/li>\n<\/ul>\n<h2>Key Benefits<\/h2>\n<ul>\n<li>Excellent cold-media resistance (refrigerants, ammonia)<\/li>\n<li>Higher mechanical performance than standard NBR<\/li>\n<li>Good oil and water resistance<\/li>\n<li>Suitable for demanding automotive applications<\/li>\n<\/ul>\n<h2>Customization &amp; Manufacturing<\/h2>\n<p>We produce HNBR O-rings in custom sizes and hardness to match your drawing or specification. Send your dimensions or drawing for a quotation.<\/p>\n<h2>Technical Considerations<\/h2>\n<p>HNBR offers better heat and mechanical performance than standard NBR while retaining good oil resistance, which makes it suitable for higher-performance sealing applications such as automotive and refrigeration systems.<\/p>\n<h2>Related Products<\/h2>\n<ul>\n<li><a href=\"https:\/\/syunite.com\/?p=24\">NBR O-Rings<\/a> &ndash; general-purpose oil-resistant sealing<\/li>\n<li><a href=\"https:\/\/syunite.com\/?p=31\">FKM O-Rings<\/a> &ndash; high-temperature and chemical-resistant sealing<\/li>\n<li><a href=\"https:\/\/syunite.com\/?p=52\">Custom O-Rings<\/a> &ndash; custom sizes, materials and hardness<\/li>\n<\/ul>\n<h2>FAQ<\/h2>\n<h3>What is the temperature range of HNBR O-rings?<\/h3>\n<p>Our HNBR O-rings are rated from -40&deg;C to 175&deg;C.<\/p>\n<h3>What applications are HNBR O-rings used for?<\/h3>\n<p>Air-conditioning and automotive A\/C systems, including compressors and pipes, and other higher-performance sealing applications.<\/p>\n<h3>What is the difference between HNBR and NBR?<\/h3>\n<p>HNBR is a hydrogenated form of nitrile rubber. It offers improved heat and mechanical performance compared with standard nitrile, while retaining good oil resistance.<\/p>\n<h3>Can you manufacture custom sizes?<\/h3>\n<p>Yes. We produce HNBR O-rings in custom sizes according to your drawing or specification.<\/p>\n<p><a class=\"cta\" href=\"https:\/\/syunite.com\/?page_id=268\">Request a Quote<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>HNBR O-Rings for Higher-Performance Sealing Product Overview Shiny Unite manufactures HNBR (hydrogenated nitrile) O-rings for higher-performance sealing applications. HNBR is widely used in air-conditioning and automotive air-conditioning systems, with excellent resistance to cold media such as HCFC-134a, FC-12, R404, R407C, R410A and ammonia. Material &amp; Construction Our HNBR O-rings are available in a hardness range [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":40,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[19],"class_list":["post-39","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-rubber","tag-o-ring"],"views":1303,"_links":{"self":[{"href":"https:\/\/syunite.com\/index.php?rest_route=\/wp\/v2\/posts\/39","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/syunite.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/syunite.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/syunite.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/syunite.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=39"}],"version-history":[{"count":9,"href":"https:\/\/syunite.com\/index.php?rest_route=\/wp\/v2\/posts\/39\/revisions"}],"predecessor-version":[{"id":970,"href":"https:\/\/syunite.com\/index.php?rest_route=\/wp\/v2\/posts\/39\/revisions\/970"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/syunite.com\/index.php?rest_route=\/wp\/v2\/media\/40"}],"wp:attachment":[{"href":"https:\/\/syunite.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=39"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/syunite.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=39"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/syunite.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=39"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}