Fluoroelastomer Rubber, 85-95 °IRHD. Copolymer of vinylidene fluoride and hexafluoropropylene. To meet ASTM D2000 line call-out:- M5HK910, A1-11, B38, EF31, EO78, F15, Z1. Where Z1 = compression set 30% max. ASTM designation = FKM. ISO designation = FPM. Applications: Excellent resistance to oils, fuels and hydraulic fluids at high temperature. |