... rubber pad 1.rubber material:EPDM,SBR etc 2.Available in design 3.Precisely flange gasket mold design 4.OEM/ODM Good manufactory ... OEM molded rubber pad features:1. Materials advice: silicone and rubber (EPDM, also NBR, SI, HNBR ... your request.flange gasket features:1. Materials advice: silicone and rubber (EPDM, also NBR, SI, HNBR, SBR, CR, BR, IIR, NR ...