... and Sizes 3.The goods have passed ISO9000 metal oil seal Feature of Oil Seal: 1. ... , Rubber Oil Seal, Rubber Seal, O-Ring,Rubber O-Ring,Rubber Ring Seal and Rubber Gasket like: NBR, HNBR ... Seal,Rubber Oil Seal,Rubber Seal or O-Ring,Rubber O-Ring, Rubber Gasketis welcomed as well. 7. ... Seal,Rubber Oil Seal, O-Ring, Rubber Real, Rubber Gasket, Rubber Ring, Sealing Ring, Sealing Gasket. Material NBR/HNBR ...