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.

  • Green icon of a test tube with a flame on a white background

    Exceptional Chemical Resistance

    Superior resistance to acids, fuels, oils, solvents, and aggressive chemicals

  • Icon of a thermometer and sun with a circular arrow, representing temperature or heat.

    High Temperature Performance

    Continuous operation from -20°F to 400°F (-29°C to 204°C), with specialty grades to 500°F

  • Dark green droplet icon with a white silhouette inside on a white background

    Fuel & Oil Resistance

    Outstanding resistance to petroleum fuels, synthetic oils, and aromatic hydrocarbons

  • 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

  • Flame Resistance

    Self-extinguishing with excellent flame and smoke resistance

  • Geometric logo with four arrows forming a cross on a white background

    Compression Set Resistance

    Superior resistance to permanent deformation at elevated temperatures

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Common Applications and Uses of Fluoroelastomer

Automotive & Aerospace Sealing Systems

Engine seals, fuel system O-rings, transmission seals, turbocharger gaskets, and hydraulic system sealing components exposed to fuels and high temperatures.

Oil, Gas & Chemical Processing Equipment

Downhole seals, wellhead equipment, pump seals, valve seats, and gaskets for aggressive chemicals, high pressures, and elevated temperatures.

High-Temperature Industrial Applications

High-temperature hoses, expansion joints, chemical-resistant components, and sealing solutions for demanding industrial environments.

Semiconductor & Pharmaceutical Processing Equipment

Plasma-resistant seals, vacuum chamber gaskets, chemical delivery systems, sterile seals, and autoclave gaskets requiring high purity and chemical resistance.

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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