... 3.material: Epdm,Nbr,Silicone,Fkm,etc. 4.AS568 in Shore A silicone o-rings:O-Ring is used as static and ... Feature of O-Ring : 1. Several material f or oil seal, O-Ring and rubber gasket like: NBR, HNBR, CR, PDFE, EPDM, SILICONE, VITONE, ... but low price of Oil seal, O-Ring , Rubber seal, Rubber gasket, Rubber ring, Sealing ring, Sealing gasket. FKM RUBBER O-RING SEAL characteristics are as follows1. ...