Special steam resistant, Fluoroelastomer Rubber, 75-85 °IRHD. Copolymer of vinylidene fluoride and hexafluoropropylene. To meet ASTM D2000 line call-out:- M2HK810, A1-10, B38, EF31, EO78, F15, Z1. Where Z1 = compression set 30% max. ASTM designation = FKM. ISO designation = FPM. Applications: Compounded for improved resistance to acids and aqueous media. Excellent resistance to oils, fuels and hydraulic fluids at high temperature. |