rubber seal ring 1.Material:HNBR 2.High/Low temperature resistance,Oil resistance,anti-aging 3. ... rubber seal ring 1)We have kinds of material : NBR,HNBR,EPDM,SILICONE,VITON,NR,FLS,FFPM,PU,PTFE etc.2 ... gaskets ect.Item nameO RINGSizeCustomized/standard and nonstandardBrand Nameo ringMaterialNBR,HNBR,EPDM,SILICONE,VITON,FLS,FFPM,PTFETemperatureCommon: 20~50degree centigrade;NBR ...