This European Standard specifies the properties of acrylonitrile-butadiene rubber (NBR) 1), mineral oil resistant, hardness 90 IRHD, for aerospace applications.
EN 2844:2013 Referenced Document
EN 3207:1998 Aerospace Series - Rubber Compounds - Technical Specification
ISO 1817:2011 Rubber, vulcanized or thermoplastic - Determination of the effect of liquids
EN 2844:2013 history
2013EN 2844:2013 Aerospace series - Acrylonitrile-butadiene rubber (NBR) - Mineral oil resistant - Hardness 90 IRHD