... Ozone resistance,aging resistance,UV resistance NameFood Grade Silicone Rubber O RingMaterialNBR,NR,EPDM,SILICONE,FKM,CR,SBR,HNBR etc. ... ROHS,MSDS,FDA,CTI,REACH,etcSizeCustomizeColorAny color3D,CAD drawingAcceptTemperature-40°C to+350°CHardness30-95 shore A LogoOEM & ODM orders ... Customized according to your Requirement2.Designs and Specification are Accepted Food Grade Silicone Rubber O Ring