This standard specifies requirements for the production and testing of dyed anodized coatings on aluminum alloys where the coating is not required to withstand long-term weathering and exposure to direct sunlight. This anodic oxide film is produced by the sulfuric acid method.
JIS W 1119:1996 history
1996JIS W 1119:1996 Aerospace process -- Anodic treatment of aluminium alloys -- Sulfuric acid process, dyed coating