Brown Fluoroelastomer Rubber, 85-95 °IRHD. Copolymer of vinylidene fluoride and hexafluoropropylene. To meet ASTM D2000 line call-out: M3HK914, A1-10, B38, EF31, EO78, Z1, Z2, where Z1 = Brown and Z2 = Comp-set 30% max. ASTM designation = FKM. ISO designation = FPM. Applications: Excellent resistance to oils, fuels and hydraulic fluids at high temperatures. |