{"product_id":"fluoroelastomer-fkm-viton","title":"Fluoroelastomer (FKM\/Viton)","description":"\u003ch2\u003eFKM (Fluoroelastomer\/Viton): Premium High-Performance Elastomer\u003c\/h2\u003e\u003cp\u003eFluoroelastomer (FKM), commonly known by the trade name Viton®, is a premium synthetic rubber engineered for extreme chemical resistance, high-temperature performance, and long-term durability in the most demanding industrial environments. Specified across aerospace, automotive, chemical processing, and oil \u0026amp; gas applications, FKM delivers unmatched sealing reliability where standard elastomers cannot survive.\u003c\/p\u003e\u003ch3\u003eKey Properties of FKM Rubber\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExceptional Chemical Resistance:\u003c\/strong\u003e Superior resistance to acids, fuels, oils, solvents, and aggressive chemicals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Temperature Performance:\u003c\/strong\u003e Continuous operation from -20°F to 400°F (-29°C to 204°C), with specialty grades to 500°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel \u0026amp; Oil Resistance:\u003c\/strong\u003e Outstanding resistance to petroleum fuels, synthetic oils, and aromatic hydrocarbons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Permeability:\u003c\/strong\u003e Minimal gas and fluid permeation—ideal for critical sealing applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOxidation \u0026amp; Aging Resistance:\u003c\/strong\u003e Excellent long-term stability in high-temperature oxidative environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompression Set Resistance:\u003c\/strong\u003e Superior resistance to permanent deformation at elevated temperatures\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlame Resistance:\u003c\/strong\u003e Self-extinguishing with excellent flame and smoke resistance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Applications \u0026amp; Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAerospace:\u003c\/strong\u003e Fuel system seals, O-rings, gaskets for jet fuel and hydraulic systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomotive:\u003c\/strong\u003e Engine seals, fuel injector O-rings, transmission seals, turbocharger gaskets\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical Processing:\u003c\/strong\u003e Pump seals, valve seats, gaskets for aggressive chemical environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil \u0026amp; Gas:\u003c\/strong\u003e Downhole seals, wellhead equipment, high-temperature\/high-pressure applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSemiconductor:\u003c\/strong\u003e Plasma-resistant seals, vacuum chamber gaskets, chemical delivery systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial:\u003c\/strong\u003e High-temperature hoses, expansion joints, chemical-resistant coatings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePharmaceutical:\u003c\/strong\u003e Sterile seals, autoclave gaskets, chemical-resistant components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAdvantages of FKM\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIndustry-leading chemical resistance—compatible with acids, fuels, oils, and aggressive solvents\u003c\/li\u003e\n\u003cli\u003eHighest continuous temperature rating among common elastomers (up to 400°F standard, 500°F specialty)\u003c\/li\u003e\n\u003cli\u003eExceptional resistance to aromatic and chlorinated hydrocarbons (benzene, toluene, TCE)\u003c\/li\u003e\n\u003cli\u003eSuperior compression set resistance at elevated temperatures\u003c\/li\u003e\n\u003cli\u003eExtremely low permeability to gases and fluids for critical sealing\u003c\/li\u003e\n\u003cli\u003eExcellent oxidation and weathering resistance for long service life\u003c\/li\u003e\n\u003cli\u003eFlame-resistant and self-extinguishing properties\u003c\/li\u003e\n\u003cli\u003eMultiple grades available for specific chemical and temperature requirements\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eLimitations \u0026amp; Disadvantages\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Cost:\u003c\/strong\u003e Significantly more expensive than NBR, neoprene, EPDM, and other standard elastomers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoor Low-Temperature Flexibility:\u003c\/strong\u003e Limited flexibility below -20°F; specialty low-temp grades required for cold environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteam \u0026amp; Hot Water Incompatibility:\u003c\/strong\u003e Not suitable for steam or hot water applications—EPDM is superior\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolar Solvent Sensitivity:\u003c\/strong\u003e Poor resistance to ketones, esters, and some amines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcessing Complexity:\u003c\/strong\u003e Requires specialized compounding and curing processes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdhesion Challenges:\u003c\/strong\u003e Difficult to bond without specialized primers or surface treatments\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFKM vs. Other Rubber Materials\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eFKM vs. NBR (Nitrile):\u003c\/strong\u003e FKM offers superior chemical resistance, higher temperature capability (400°F vs. 250°F), and better aromatic hydrocarbon resistance. NBR is more cost-effective with better low-temperature flexibility for standard petroleum applications. Use FKM for extreme conditions; NBR for cost-sensitive oil\/fuel contact.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFKM vs. EPDM:\u003c\/strong\u003e FKM excels in fuel, oil, and chemical resistance with high-temperature performance, while EPDM is superior for weather, steam, and hot water applications. FKM is the choice for chemical\/fuel systems; EPDM for outdoor sealing and water contact.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFKM vs. Silicone:\u003c\/strong\u003e Both offer high-temperature performance, but FKM provides superior fuel and oil resistance while silicone offers better low-temperature flexibility (-65°F) and broader temperature range. FKM is preferred for fuel\/chemical contact; silicone for extreme temperature cycling without chemical exposure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFKM vs. Neoprene:\u003c\/strong\u003e FKM significantly outperforms neoprene in chemical resistance, temperature capability, and compression set resistance. Neoprene is more economical for moderate-exposure applications. FKM is specified for severe chemical and high-temperature environments.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFKM vs. FFKM (Perfluoroelastomer):\u003c\/strong\u003e FFKM offers even broader chemical resistance and higher temperature capability (up to 600°F), but at significantly higher cost. FKM is the cost-effective choice for most demanding applications; FFKM for the most extreme chemical and thermal conditions.\u003c\/p\u003e\u003ch3\u003eFKM Grades \u0026amp; Types\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType A (Dipolymer):\u003c\/strong\u003e Standard grade with excellent fuel and oil resistance—most common general-purpose FKM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType B (Terpolymer):\u003c\/strong\u003e Enhanced chemical resistance, particularly to acids and steam—broader compatibility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType F (Tetrapolymer):\u003c\/strong\u003e Superior low-temperature flexibility with maintained chemical resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGLT\/GFLT:\u003c\/strong\u003e Specialty low-temperature grades for cold-environment applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtreme grades:\u003c\/strong\u003e High-temperature formulations for continuous service to 500°F\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardness Range:\u003c\/strong\u003e 55–90 Shore A (customizable by formulation)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecific Gravity:\u003c\/strong\u003e 1.80–1.95\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTensile Strength:\u003c\/strong\u003e 1,000–2,500 psi (varies by grade)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElongation at Break:\u003c\/strong\u003e 150–300% (varies by formulation)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompression Set:\u003c\/strong\u003e Excellent at elevated temperatures (typically \u0026lt;25% at 200°C\/392°F for 70 hours)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e -20°F to 400°F continuous (-29°C to 204°C), specialty grades to 500°F\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Choose FKM from Rubber Mexico?\u003c\/h3\u003e\u003cp\u003eOur FKM compounds are formulated for maximum chemical resistance, thermal stability, and sealing performance across aerospace, automotive, chemical processing, and oil \u0026amp; gas applications. With in-house molding, precision machining, and custom compounding capabilities, we deliver mission-critical FKM components engineered to your exact specifications and operating conditions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNeed a custom FKM solution?\u003c\/strong\u003e Contact us for material selection guidance, grade optimization, compound development, prototyping, and production support for your most demanding sealing challenges.\u003c\/p\u003e","brand":"Rubber Mexico","offers":[{"title":"Default Title","offer_id":51662847312151,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/9395\/9447\/files\/image_65.png?v=1741713117","url":"https:\/\/rubber-mexico.com\/es-mx\/products\/fluoroelastomer-fkm-viton","provider":"Rubber Mexico","version":"1.0","type":"link"}