... ,it has excellent resistance to oil ,heat and abrasion,and also good adhesion. 2.NBR compound doesn' ... t resist low temperature and ozone,its electric properties and elasticity are not very well,so ... as oil pipe ,rubber belt ,rubber diaphragm and big oil sac,it also apply to making oil ... Ring,Oil-Seal,cup-type seal,membrane ,valve and corrugated tubes,moreover it perform well when make ...