Special steam resistant, Fluoroelastomer Rubber, 70-80 °IRHD. Terpolymer of vinylidene fluoride, hexafluoropropylene and tetrafluoroethylene. To meet ASTM D2000 line call-out MHK707, A1-10, B37, EF31, EO78, Z1. Where Z1 = hardness 70-80. 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. |