... . Description of High Quality & Low Price Decorative O-rings:1. Materials: can be NR decorative o-rings, HNBR, Buna, FVMQ, MVQ ... FPM, etc.2. Characteristics: good physical and chemical properties decorative o-rings. 3. Hardness: 30~90 shore A or ... , NSF, KTW, WRAS, LFGB, etc. 8. Applications: automobile decorative o-rings, electrical appliance, mechanical, industrial, construction, household, medical ...