This standard specifies the characteristics required for the execution of clogged or unclogged chromic anodizing, as well as for ensuring the quality of the layers obtained. It applies to aluminum parts and their rolled alloys of categories 1 and 2 (see chapter 4) intended for aeronautical constructions when this standard is required for them.
UNE-EN 2101:1994 history
1994UNE-EN 2101:1994 Aerospace series. Chromic acid anodizing of aluminium and wrought aluminium alloys