Silicone rubber washer: 1, ROHS,SGS 2, ISO9001,ISO14001; 3, Oil seals, Water Seals, Air Seals Silicone rubber washer: Silicone Rubber Seals Gasket Specification1, MaterialNBR, NR, EPDM, Silicone, SBR, etc2, Material Rohs-SGS Approval, Non-Toxic, Oil Resistant, Tasteless, Non-Stick finish, Durable and easy cleaning.3, Temperature-40°C to + 150°C4, Hardness30-90 shore A5, TypesOil Seals, Water ...