... ,CR,NR 3.Used in:automobile,industrial product etc 4.SGS ROHS 5 NameRubber ProductMaterialNBR, ... ,SBR,HNBRCertificationISO 9001:2008 ISO 14001:2004Passd inspections of SGS, PONY, INTERTEK, CTI, etcEnvironmental Complaince ... -40°C to + 260°CHardness40-80 shore A LogoOEM & ODM orders are welcomeSampleFree sample PackagePending QC ... Specification are Accepted Rubber Rings of Ink-Box product