... , O-Ring,Rubber O-Ring,Rubber Ring Seal and Rubber Gasket like: NBR, HNBR, CR, PDFE, EPDM, SILICONE, VITONE, etc. Can ... . Many types of O-Ring: O-type, E-type, U-type, V-type and so on, can make on your type. 4. Different sizes of Oil ... Seal,Rubber Oil Seal,Rubber Seal, O-Ring and Rubber Gasket: Black, red, yellow, brown, white, green, violet etc, can make ...