... rubber problemProduct Nameblack rubber ring Materialnitrile butadiene rubberSpecification150mm.*3.5mmUseNitrile rubber is mainly used in making oil resistant products, such as tubing, tape, rubber diaphragm and ... as o-ring, oil seal, cup, diaphragm valve, corrugated pipe, hose, seals, foam, etc, also used to make rubber sheet and wear-resistant ...