Special steam resistant, Fluoroelastomer Rubber, 85-95 °IRHD. Tetrapolymer of vinylidene fluoride, hexafluoropropylene and tetrafluoroethylene and cure site monomer (CSM). To meet ASTM D2000 line call-out: MHK910, A1-10, B37, B38, EF31, EO78. ASTM designation = FKM. ISO designation = FPM. Applications: Alcohol blended fuel systems (methanol or gasohol), SF/SG engine oils, phosphate ester fluids, acids, hot water and steam. Chemical resistance superior to other FKM’s. |