rubber seal ring 1.Material:HNBR 2.High/Low temperature resistance,Oil resistance, ... 3/8 5/8 3/4 5/16 rubber seal ring 1)We have kinds of material : NBR,HNBR,EPDM,SILICONE ... and rich technical capabilities. Our main product are molded rubber parts products like O rings, rubber seals, rubber band, oil seal ... cartonSample lead time7 daysCarton Size47*38*34cmOEM/ODMwelcome rubber seal ring