... 3.5mmUseNitrile rubber is mainly used in making oil resistant products, such as tubing, tape, rubber diaphragm and large oil ... often used to make all kinds of oil resistant moulded products, such as o-ring, oil seal, cup, diaphragm ... FeaturesExcellent oil resistance, high wear resistance, good heat resistance, strong sticky relay. Its disadvantage is poor low temperature resistance, ozone resistance ...