Fluoroelastomer (FKM/Viton)
Fluoroelastomer (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.
FKM (Fluoroelastomer/Viton): Premium High-Performance Elastomer
Specified across aerospace, automotive, chemical processing, and oil & gas applications, FKM delivers unmatched sealing reliability where standard elastomers cannot survive.
Key Properties of FKM Rubber
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Exceptional Chemical Resistance
Superior resistance to acids, fuels, oils, solvents, and aggressive chemicals
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High Temperature Performance
Continuous operation from -20°F to 400°F (-29°C to 204°C), with specialty grades to 500°F
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Fuel & Oil Resistance
Outstanding resistance to petroleum fuels, synthetic oils, and aromatic hydrocarbons
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Low Permeability
Minimal gas and fluid permeation—ideal for critical sealing applications
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Oxidation & Aging Resistance
Excellent long-term stability in high-temperature oxidative environments
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Flame Resistance
Self-extinguishing with excellent flame and smoke resistance
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Compression Set Resistance
Superior resistance to permanent deformation at elevated temperatures
Common Applications and Uses of Fluoroelastomer
Automotive & Aerospace Sealing Systems
Oil, Gas & Chemical Processing Equipment
High-Temperature Industrial Applications
Semiconductor & Pharmaceutical Processing Equipment
Key Advantages of Fluoroelastomer
Unmatched Chemical Resistance
FKM is one of the most chemically resistant elastomers available, offering excellent compatibility with fuels, oils, acids, and a wide range of aggressive solvents. This makes it a preferred material for sealing applications in chemical processing, automotive, aerospace, and oil & gas environments where standard rubbers may rapidly degrade.
Outstanding Hydrocarbon Compatibility
FKM provides exceptional resistance to aromatic and chlorinated hydrocarbons such as benzene, toluene, and trichloroethylene (TCE). This specialized chemical compatibility allows reliable performance in environments where exposure to aggressive fuels and industrial chemicals is unavoidable.
Enhanced Fire Safety Performance
FKM naturally offers flame-resistant and self-extinguishing properties, providing an additional layer of protection in applications where fire safety and material stability are important operational considerations.
Reliable Sealing Under Pressure
With superior compression set resistance, FKM retains its shape and sealing force even after prolonged exposure to heat and mechanical stress. This helps reduce leakage, maintenance requirements, and unexpected equipment downtime in critical sealing applications.
Why Choose FKM from Rubber Mexico?
Our FKM compounds are formulated for maximum chemical resistance, thermal stability, and sealing performance across aerospace, automotive, chemical processing, and oil & 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.
Need a custom FKM solution?
Contact us for material selection guidance, prototyping, and production support.
Learn about our other materials
Rubber Mexico has 100s of compounds for a variety of compounds made internally. Learn more about the other types of materials that we manufacturer and our material development capabilities.
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