Anodizing of aluminium and its alloys. Check for continuity of thin anodic oxidation coatings. Copper sulfate test Ingestion-build-61878 The environment in which the

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Anodizing of aluminium and its alloys. Check for continuity of thin anodic oxidation coatings. Copper sulfate test Ingestion-build-61878 The environment in which the1 Scope This document specifies a method for checking the continuity of thin anodic oxidation coatings on aluminium and its alloys by a copper sulfate contact test. The use of this method is limited to anodic oxidation coatings of thickness less than 5 m or coatings that have been deformed, which includes those produced by coil anodizing techniques. NOTE The method described enables a rapid check to be made for the continuity of a thin coating of