Perfluoroelastomers(FFKM) contain fully fluorinated polymer chains and hence offer the ultimate performance of elastomers when considering heat and chemical resistance. Excellent resistance to fuels, all types of lubricating oils and greases, mineral-based and hydraulic fluids,solvents, alcohols, most acids and alkalis..
Cure system - Peroxide-cured vs. Nitrile-cured
Standard FFKM are usually peroxide-cured. FFKM compounds with nitrile-cured have better heat resistance than the peroxide cured.
Other Common Variations
•FFKM has excellent resistance to high temperature, oil, solvent, flame,chemical and weather, and it is usually applied in semiconductor, chemical processing, aerospace and many industrials.
ASTM D 1418 Designation:FFKM
ISO/DIN 1629 Designation:FFKM
ASTM D2000 / SAE J 200 Codes:KK
Hardness Range: 60 to 95 Shore A
Standard Low Temperature:0°C / 32°F
Standard High Temperature:250°C / 482°F
Special Compound Low Temperature:-30°C / -22°F
Special Compound High Temperature:315°C / 599°F
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