{"id":542437,"date":"2021-05-10T12:52:02","date_gmt":"2021-05-10T12:52:02","guid":{"rendered":"https:\/\/www.abnewswire.com\/pressreleases\/?p=542437"},"modified":"2021-05-10T12:52:02","modified_gmt":"2021-05-10T12:52:02","slug":"fkm-rubber-vs-ptfe-which-is-the-ultimate-fluorinated-material","status":"publish","type":"post","link":"https:\/\/www.abnewswire.com\/pressreleases\/fkm-rubber-vs-ptfe-which-is-the-ultimate-fluorinated-material_542437.html","title":{"rendered":"FKM rubber vs PTFE: which is the ultimate fluorinated material?"},"content":{"rendered":"

Fluorine rubber (FKM) is a thermosetting elastomer, while polytetrafluoroethylene (PTFE) is a thermoplastic. Both are fluorinated materials, surrounded by fluorine atoms by carbon atoms, which makes them incredibly chemically resistant. In this article, the TRP polymer solution compares the two materials between FKM and PTFE to determine which is the final fluorinated material and choose the final ptfe brake hose manufacturer<\/a><\/p>\n

Benefits of FKM rubber and PTFE<\/strong><\/p>\n

Origins:<\/strong><\/p>\n

FKM: Aircraft during World War II were plagued by the leakage of nitrile seals, which lacked the low temperature performance required for various applications. The chemical inertness of fluorocarbon bonds means that fluorinated elastomers, or fluoroelastomers, are a natural conclusion. So FKM rubber began to be commercialized in 1948<\/p>\n

PTFE: In 1938, DuPont scientist Roy Plancott discovered polytetrafluoroethylene by accident. Plunkett experimented with refrigerants and stored them in cylinders. To his surprise, these gases aggregated, leaving behind a white waxy substance, which does not react with any chemical substances and can withstand extremely high temperatures. DuPont registered the first brand of PTFE materials-ptfe in 1945<\/p>\n

Verdict: The development of PTFE is a coincidence of a fascinating fate, which led to the birth of an extraordinary material. However, an equally impressive material, FKM rubber, was completely necessary in the war years. For this reason, the historical contribution of FKM fluoroelastomer means that it is slightly better in this round of competition<\/p>\n

Properties:<\/strong><\/p>\n

FKM rubber: FKM rubber contains strong carbon-fluorine bonds, making it highly chemical, heat-resistant and oxidation-resistant. FKM contains a different number of carbon-hydrogen bonds (a connection with weaker heat and chemical resistance), but still has stronger chemical resistance than most other elastomers.<\/p>\n

PTFE: Polytetrafluoroethylene is composed of a chain of carbon atoms, with two fluorine atoms on each carbon atom. These fluorine atoms surround the carbon chain to form a dense molecule with a very strong carbon-fluorine bond and a polymer structure, making PTFE inert to most chemicals<\/p>\n

Verdict: Based purely on their respective chemical composition, PTFE has no carbon-hydrogen bonds, which makes it more chemically inert than FKM (although FKM is still incredibly chemically resistant). For this reason, PTFE is just the shadow of FKM in this round<\/p>\n

Advantages:<\/strong><\/p>\n

FKM:<\/em><\/p>\n

Wide temperature range (-45°C-204°C)<\/p>\n

Excellent chemical resistance<\/p>\n

High density, good texture<\/p>\n

Good mechanical properties<\/p>\n

Can it be formulated for explosion decompression, CIP, SIP<\/p>\n

PTFE:<\/em><\/p>\n

Wide temperature resistance (-30°C to +200°C)<\/p>\n

Chemically inert<\/p>\n

Excellent electrical insulation<\/p>\n

Highly cold and heat resistant<\/p>\n

Non-adhesive, waterproof<\/p>\n

The coefficient of friction is the smallest among all solids<\/p>\n

Verdict: It is impossible to separate them this round. FKM provides greater temperature resistance, but does not reach the performance of PTFE in terms of chemical resistance. And PTFE is slightly less heat-resistant, but provides many ways of non-adhesive properties<\/p>\n

Disadvantages:<\/strong><\/p>\n

FKM:<\/em><\/p>\n

Will it swell in a fluorinated solvent?<\/p>\n

Cannot be used with molten or gaseous alkali metals<\/p>\n

Cost is higher than other non-fluorocarbons<\/p>\n

Choosing the wrong FKM for the application can cause fast failure<\/p>\n

Low temperature grades can be expensive<\/p>\n

PTFE:<\/em><\/p>\n

Low strength and stiffness<\/p>\n

Can not be melt processed<\/p>\n

Poor radiation resistance<\/p>\n

High Shore hardness makes PTFE difficult to seal<\/p>\n

Ptfe o-rings have a higher leakage rate than other elastomers<\/p>\n

Inelasticity makes multiple seal installation impossible<\/p>\n

Verdict: In general, FKM rubber won this round of competition with its superior strength, flexibility and sealing ability. Of course, if nothing but a chemically inert seal is not enough, then PTFE is a good choice. However, FKM provides more flexibility in all aspects!<\/p>\n

Applications:<\/strong><\/p>\n

FKM:<\/em><\/p>\n

Automotive<\/p>\n

Chemical processing<\/p>\n

Oil and gas<\/p>\n

Heavy duty machinery<\/p>\n

Aerospace<\/p>\n

Many others<\/p>\n

PTFE:<\/em><\/p>\n

Chemical processing equipment<\/p>\n

Valves<\/p>\n

Chemical transport<\/p>\n

Pump diaphragms<\/p>\n

Verdict: It’s another deadly battle! FKM has a wider range of applications, and can be applied to some really heavy applications. However, despite its limitations, PTFE materials provide the ultimate solution for the most difficult applications involving extreme pressure, temperature and corrosive chemicals<\/p>\n

Cost:<\/strong><\/p>\n

FKM rubber is a premium product because of its chemical composition and subsequent chemical resistance. If the buyer do not consider chemical properties and temperature resistance, the buyer can choose a cheaper elastomer.<\/p>\n

PTFE: PTFE material is also a high-quality product. Likewise, if the temperature, pressure, and corrosive chemicals involved in people’s application do not exceed the most extreme cases, then cheaper alternatives may be desirable. In order to obtain the best sealing performance, PTFE is bonded to the elastomer core to provide compression resistance.<\/p>\n

Verdict: Both FKM and PTFE are high-quality products for good reasons. Both of these materials have special properties, which explains the cost of producing them. However, the buyer should remember that for extreme applications, both provide special features. In this case, the buyer get what the buyer pay for, and cheap alternatives often fail quickly. This is ultimately a wrong economy.<\/p>\n

Result: In general, the flexibility of FKM gives it an advantage in this hypothetical race. Ultimately, both of these fluorinated materials provide special chemical resistance and temperature resistance. However, as a plastic, PTFE is more rigid than FKM; making it only suitable for the most extreme sealing applications where high pressure and corrosive chemicals are the main concern. The wider applicability of FKM as a sealing material has, well, confirmed its victory!<\/p>\n

Convoluted tubing manufacturer<\/a> – BESTEFLON hope that this comparison of FKM rubber and PTFE will give the buyer a better understanding of the various characteristics of each material. It must be emphasized that the best way to choose the most suitable material for people’s application is to talk to an expert who can tell the buyer the various material grades and match the ideal solution for people’s application<\/p>\n

Media Contact<\/span>
Company Name:<\/strong> Huizhou Zhongxin Besteflon Industrial Co., Ltd.<\/a>
Email:<\/strong> Send Email<\/a>
Phone:<\/strong> 0086 752 7778 829
Country:<\/strong> China
Website:<\/strong> https:\/\/www.besteflon.com\/<\/a><\/p>\n

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Fluorine rubber (FKM) is a thermosetting elastomer, while polytetrafluoroethylene (PTFE) is a thermoplastic. Both are fluorinated materials, surrounded by fluorine atoms by carbon atoms, which makes them incredibly chemically resistant. In this article, the TRP polymer solution compares the two … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[418,409,410,417,423],"tags":[],"class_list":["post-542437","post","type-post","status-publish","format-standard","hentry","category-Building-Construction","category-Energy-Environment","category-Manufacturing-Industry","category-Marketing-Sales","category-Professional-Services"],"_links":{"self":[{"href":"https:\/\/www.abnewswire.com\/pressreleases\/wp-json\/wp\/v2\/posts\/542437","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.abnewswire.com\/pressreleases\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.abnewswire.com\/pressreleases\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.abnewswire.com\/pressreleases\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.abnewswire.com\/pressreleases\/wp-json\/wp\/v2\/comments?post=542437"}],"version-history":[{"count":0,"href":"https:\/\/www.abnewswire.com\/pressreleases\/wp-json\/wp\/v2\/posts\/542437\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.abnewswire.com\/pressreleases\/wp-json\/wp\/v2\/media?parent=542437"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.abnewswire.com\/pressreleases\/wp-json\/wp\/v2\/categories?post=542437"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.abnewswire.com\/pressreleases\/wp-json\/wp\/v2\/tags?post=542437"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}