Nitrile Butadiene Rubber, 48-58 °IRHD. Medium acrylonitrile (ACN) content. Copolymer of acrylonitrile and butadiene. To meet British Standard BS2751 BA50. Applications: Excellent resistance to petroleum based oils and fuels. Excellent compression set, tear and abrasion resistance. Good water resistance but poor against ozone and weather. |