This International Standard specifies an empiricai method for assessing the resistance of anodic oxide coatings to cracking by deformation which these coatings may undergo.
This method is applicable particularly to sheet with thin anodic oxide coatings (thickness less than 5 /μm).
DS/ISO 3211:1988 history
1988DS/ISO 3211:1988 Anodizing of aluminium and its alloys. Assessment of resistance of anodic oxide coatings to cracking by deformation