O-ring is a rubber seal with a circular cross section. Because of its O-shaped cross section, it is called O-type rubber seal, also called O-ring.
FKM O-Ring Seals,made from fluorocarbon elastomers,and Fluororubber O-Ring Seals,often made from similar high-performance materials, are designed to perform under extreme conditions. They are primarily known for their superior resistance to oils, solvents, and high temperatures. These seals play a crucial role in applications within the aerospace, automotive, chemical, and manufacturing industries, ensuring the efficient operation of machinery by preventing leaks and contamination.
FKM, generically known as fluoroelastomer or by common trade names such as Viton, is a family of synthetic rubbers defined under ASTM D1418 standards. Its structure is primarily based on vinylidene fluoride copolymers with other fluorinated monomers, creating a matrix with a high ratio of fluorine atoms. This molecular design results in strong carbon–fluorine bonds, which confer FKM its notable resistance to a wide spectrum of oils, hydrocarbons, fuels, and moderate acids.
Choose CFDPLAS for your sealing FKM O-Rings.
For more than 15 years,CFDPLAS has been offering custom and standard o-rings and other sealing solutions for multiple industries.With millions of products produced and shipped annually,we are the experts your organization needs to seal the success of your application.
FKM O-Rings: Properties and Benefits:
FKM is a synthetic rubber and fluoropolymer elastomer known for its exceptional resistance to extreme temperatures and harsh chemicals.It retains its mechanical integrity even in demanding environments,making it a reliable choice for critical sealing applications.
Key Properties of FKM:
High-Temperature Resistance : Performs well at high temperatures,withstanding up to 446°F (230°C) for continuous use and 600°F (315°C) for short-term exposure.
Chemical Compatibility:Resistant to a wide range of substances,including fuels,lubricants,mineral acids,and aggressive chemicals.
Environmental Durability:Withstands oxidation,UV exposure,ozone,and biological degradation,making it ideal for outdoor and extreme conditions.
Low Permeability : Prevents fluid absorption, ensuring long-lasting sealing performance.
Electrical Insulation : Suitable for low-voltage, low-frequency applications.
Ozone Resistance:Unlike NBR, FKM maintains its properties even after prolonged exposure to ozone and outdoor elements.
Because of these advantages,FKM O-rings are widely used in aerospace, automotive,chemical processing, and heavy machinery, where exposure to high temperatures,aggressive fluids,and extreme environments is common.
ID Size of FKM O-rings: 5mm to 450mm
Color of FKM O-rings: brown,red,blue,green,black,other on request
FKM O-rings Hardness Range: 30-90 shore A, tolerance can be ±5 shore A
FKM O-rings Processing : Compression Moulding,
Choosing the right sealing material is critical for performance and durability.
The best choice depends on your operating conditions and performance requirements.
Choose FKM O-rings if your application involves high temperatures,aggressive chemicals,or outdoor exposure.
FKM (fluoroelastomer) O-rings are high-performance seals prized for their exceptional resistance to heat, chemicals, oils, and fuels.
Their applications are widespread,particularly in industries requiring reliability in extreme conditions,such as automotive (fuel and engine systems), aerospace (hydraulic and fuel systems), and chemical processing. They are also used in vacuum systems and the oil and gas industry.
Related other rubber O-ring seal and gasket products:
Perfluoroelastomer (FFKM) O-rings,FFKM O-rings,FVMQ O-rings.
CFDPLAS also specializes in the manufacture of FFKM (perfluoroelastomers), offering grades equivalent to DuPont Kalrez.
Fore more information,please feel free to Contact us for FKM O-ring,FFKM O-ring compatibility charts and datasheets.
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