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, ... nonstandardBrand Nameo ringMaterialNBR,HNBR,EPDM,SILICONE,VITON,FLS,FFPM,PTFETemperatureCommon: 20~50degree centigrade;NBR(-40~120C),ACM(-30~180C),VITON(-25 ... cartonSample lead time7 daysCarton Size47*38*34cmOEM/ODMwelcome rubber seal ring