Rubber gasket for coupling 1.Certificate: ISO9001:2008 2.Material: NBR, NR,EPDM, Silicone, etc 3.Different sizes are availabe Product NameEPDM Rubber gasket for couplingsCertificateISO9001:2008Country of OriginChinaAdvantagea. Ozone and chemical resistanceb. High temperature resistancec. Excellent weather resistanced. Anti-aging, anti-radiation, good flexibility, good elasticitye. Excellent ...