Standard reference elastomers; Acrylonitrile-butadiene rubber (NBR) with low acrylonitrile content for characterizing test liquids and greases based on mineral oil— 3 стр.
Standard reference elastomers; Acrylonitrile-butadiene rubber (NBR), cross-linked by peroxide, for characterizing liquids with regard to their effect on NBR— 4 стр.