... .AS568 in Shore A NBR Rubber o-ring:O-Ring is used as static and dynamic seals for ... contains: NBR,SR,VITON,SILICON PTFE,HNBR,PU etc. Feature of O-Ring : 1. Several material f or ... Optional color for you of the oil seal, O-Ring and rubber gasket: Black, red, yellow, brown, white ... seal, O-Ring , Rubber seal, Rubber gasket, Rubber ring, Sealing ring, Sealing gasket. FKM RUBBER O-RING SEAL characteristics ...