oil seal ring 1.Manufacture supply 2.ERP system ... designs and specifications are accepted Material Nitrile(NBR), HNBR, EPDM,Silicone, Fluorocarbon, SBR, Neoprene(CR),Butyl(IIR),NR,PU etc. ... Heat resistance,Low and High temperature Resistance, Oil and Fuel Resistance, Animal and Vegetable Oil Resistance, Alcohol Resistance, Acid Resistance, Aliphatic ... 130NR-20~100 /PU-30~70-40~100 Rubber oil seal ring