... for different machines 2.SR,EPDM,SBR,CR,NBR,FPM etc. 3.UV,FR,oil proof,shock proof ... oil,lubricant and other different environment2.materia:SR,NBR,EPDM,NR,SBR3.color:available in any color, ... your visit to our factory. Rubber seal/gasketMaterialEPDM,NBR,SR,SBR,NR,CRFeatureEcofriendly,UV,FR,water/oil/abrasion ... ali web:http://xinhuafen.cn.alibaba.com/ NBR black machine rubber seal for machine sealing