FKM Sponge Extrusion

FKM is a family of fluorocarbon-based fluoroelastomer materials defined by ASTM International standard D1418, and ISO standard 1629. It is commonly called fluorine rubber or fluoro-rubber. FKM is an abbreviation of Fluorine Kautschuk Material. All FKMs contain vinylidene fluoride as a monomer. Originally developed by DuPont (under the brand name Viton®, now owned by Chemours), FKMs are today also produced by many companies, including: Daikin (Dai-El), 3M (Dyneon), Solvay S.A. (Tecnoflon), HaloPolymer (Elaftor), Gujarat Fluorochemicals (Fluonox).

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FKM Sponge Extrusion

Medium Density FKM Sponge Extrusion

Features and Benefits

  • Temperature resistance
  • Chemical resistance
  • Ozone resistance
  • Oils, fuels resistance
  • Good mechanical properties
  • Resistance to aging

Physical Properties

  • Density: 17 lbs per cubic foot
  • Tensile strength: 435 PSI
  • Elongation: 200%
  • Temperature range: -10F – 450F


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