... CR),Styrene(SBR) ,CR,ACM,PU etc.Application: O ring is widely used in different industries: Auto, Machinery, Electronic ... .Rubber moulding over 2000 setsWorker 150Staff25QC5Main productso rings, gaskets,custom rubber parts.Material Nitrile(NBR), HNBR, EPDM,Silicone, ... , Oxygen Resistance, Flame Resistance,Heat resistance,Low and High temperature Resistance, Oil and Fuel Resistance, Animal and ...