... washer gasket 1.ISO Certification 2.Material:NBR,NR,Silicone,FKM etc 3.Precisely mold design ... /ODM rubber washer gasket1.ISO Certification 2.Material:NBR,NR,Silicone,FKM etc 3.Precisely mold design ... High Quality Rubber Washer Conform to ROHS: 1. Materials: NBR, also can be NR, HNBR, Buna, FVMQ, MVQ, ... CR, SBR, SI, BR, IR, EPDM, IIR, butyl, PU, E/A, ECO, CSM, VITON, FKM, FPM, etc. 2. Characteristics: ...