... 3.Quick supply 4.OEM is ok Product: colored rubber o rings O-Ring is a kind of sealing products which is usually ... , SILICON, HNBR, PU etc.Item nameO RINGMaterialNBR,HNBR,EPDM,SILICONE,VITON,NR,CR,SBR,PUHardness30-100 shore ASizeCustomized/standard/nonstandardColorRed ... , Clear, etcTemperatureCommon: -20~100degree centigrade;NBR(-40~120°C),SILICONE(-30~250°C),VITON(-25~300°C)Special featuresnon-toxic ...