... -ring, oil seal, cup, diaphragm valve, corrugated pipe, hose, seals, foam, etc, also used to make rubber sheet and wear-resistant partsProduct FeaturesExcellent ... can provide the materialNatural rubber (NR), nitrile rubber (NBR), silicone rubber (MVQ), fluororubber (FPM), ethylene-propylene rubber (EPDM), styrene-butadiene rubber (SBR)We can provide ...