FKM X-Rings 75 Duro Black Standard

V750100-X-905

AS568-905 FKM 75 Duro Black X-Ring

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FKM

FKM O-rings, commonly known by the brand name Viton, are made from fluorocarbon elastomers. They are known for their exceptional chemical resistance, especially to oils, fuels, and solvents. FKM O-rings provide superior performance in high-temperature and harsh chemical environments, making them suitable for demanding industrial applications such as automotive, aerospace, and chemical processing.

FKM Recommended Uses

  • Automotive fuel and oil systems
  • Chemical processing equipment
  • Aerospace seals
  • Petrochemical industry
  • Hydraulic systems
  • Power generation

FKM Not Recommended

  • Low molecular weight esters and ethers
  • Amines
  • Hot water and steam above 100°C
  • Low-temperature applications below -15°C

FKM Limitations

  • Limited resistance to ketones and amines
  • Not suitable for steam or very low temperatures
  • Poor performance in low-temperature flexibility

FKM Usable Temperature Range

-15°C (5°F) to 200°C (392°F), up to 250°C (482°F) for short periods

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