NBR
HNBR
Butadiene-acrylonitrile-butadienerubber is a copolymer of butadiene and acrylonitrile by emulsion polymerisation, referred to as nitrile rubber (NBR). NBR is a light yellow to brown, slightly armpit odour elastomer, density with the increase of acrylonitrile content from 0.945 to 0.999g/cm3, soluble in benzene, toluene, esters, chloroform and other aromatic hydrocarbons and polar solvents.