rubber silicone o ring 1.water, oil resistance, anti-aging 2.silicone,rubber ... setsWorker 150Staff25QC5Main productso rings, gaskets,custom rubber parts.Material Nitrile(NBR), HNBR, EPDM,Silicone, Fluorocarbon, SBR, Neoprene(CR),Butyl(IIR ... Impermeability Resistance, Oxygen Resistance, Flame Resistance,Heat resistance,Low and High temperature Resistance, Oil and Fuel Resistance, Animal and Vegetable ...