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, ... : 20~50degree centigrade;NBR(-40~120C),ACM(-30~180C),VITON(-25~300C)CertificateCE, ROHS, PAHS, REACHColorRed, Black, White, Clear, etcSPECIALFeaturesOil- ... cartonSample lead time7 daysCarton Size47*38*34cmOEM/ODMwelcome rubber seal ring