a) Ozone and Chemical resistance b) Good sealing c) Excellent oil resistance d) Anti-aging, good flexibility, NameRubber ProductMaterialNBR,NR,EPDM,SILICONE,FKM,CR,BR,SBR,HNBRCertificationISO 9001:2008 ISO 14001:2004Passd inspections of SGS, PONY, INTERTEK, CTI, etcEnvironmental Complaince ROHS,REACH,etc Size CustomizeColorBlack or CustomizeWeight PendingTemperature-40°C to + 260°CHardness40-80 ...