... , BS, JIS, metric sizes all available. Description of High Quality & Low Price Decorative O-rings:1. Materials: can be NR decorative o ... , ACM, FLS, CR, SBR, SI, BR, IR, EPDM, IIR, butyl, PU, E/A, ECO, CSM, VITON, FKM, FPM, etc.2. Characteristics ... your color codes. 6. Processing: all manufacturing processes are complied with ISO9001:2008. Please contact us if you need detailed information ...