Determination of material resistance to permeation by chemicals - Part 1: Permeation by potentially hazardous liquid chemicals under conditions of continuous contact; German version EN 16523-1:2015+A1:2018— 32 стр.
Determination of material resistance to permeation by chemicals - Part 2: Permeation by potentially hazardous gaseous chemicals under conditions of continuous contact; German version EN 16523-2:2015+A1:2018— 14 стр.