... . Main materialNitrile rubber(NBR), also can use Natural rubber,Styrene-butadiene rubber,Butyl rubber,PU,EPDM,Neoprene, Silicone rubber, Fluorocarbon, Chlorohydrine rubber and Methacrylate rubber, etc.2 ... are used for machinery, chemical industry, petroleum, automobile, coal,electric apparatus, industrial mining and so on.9. Main performanceNBR provides an ...