Nitrile Butadiene Rubber (NBR) 55-65 °IRHD. Medium acrylonitrile (ACN) content. Copolymer of acrylonitrile and butadiene. To meet specification BS2751 BA60. Also meets obsolescent specification BS3222M. 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. |