... including O rings, Gaskets, Washers, custom mold rubber and other rubber seal kits.Our Material: Nitrile(NBR), HNBR, ... device, molding equpment etc.Rubber Mouldingover 2000 setsWorker 150Staff25QC5Main productso rings, gaskets,custom rubber parts.Material Nitrile(NBR), HNBR, ... Oxygen Resistance, Flame Resistance,Heat resistance,Low and High temperature Resistance, Oil and Fuel Resistance, Animal and ...