This standard BS EN 2848:2013 Aerospace series. Acrylonitrile-butadiene rubber (NBR). Fuel and synthetic oil resistant. Hardness 80 IRHD is classified in these ICS categories:
49.025.40 Rubber and plastics
This European Standard specifies the properties of acrylonitrile-butadiene rubber (NBR) ), fuel and synthetic oil resistant, hardness 80 IRHD, for aerospace applications.