... . Description of High Quality & Low Price Decorative O-rings:1. Materials: can be NR decorative o-rings, HNBR, Buna, FVMQ, MVQ, ACM, FLS, CR ... , SBR, SI, BR, IR, EPDM, IIR, butyl, PU, E/A, ECO ... , CSM, VITON, FKM, FPM, etc.2. Characteristics: good physical and chemical properties decorative o-rings. 3. Hardness ...