... material,mineral oil,lubricant and other different environment2.materia:SR,NBR,EPDM,NR,SBR3.color:available in any color,according ... forware for your visit to our factory. Rubber seal/gasketMaterialEPDM,NBR,SR,SBR,NR,CRFeatureEcofriendly,UV,FR,water/oil/abrasion resistance ... material for production3.SGS,ISO certificate,make the test at a regular time4.Over 138 sets domestic and foreign equipments,such ...