... ,NBR,EPDM,NR,SBR3.color:available in any color,according to customer's requirement4.working pressure:<= -35--200 centigrade5.specification:standard ... ,SGSwe are looking forware for your visit to our factory. Rubber seal/gasketMaterialEPDM,NBR,SR,SBR,NR,CRFeatureEcofriendly,UV ... Over 138 sets domestic and foreign equipments,such as rubber mixing millings,plate vulcanization machine,spraying device,type ...