ISO 8077:1984

Aerospace process — Anodic treatment of aluminium alloys — Chromic acid process 20 V DC, undyed coating

Includes requirements for producing and testing. Sealed anodic coatings are applied to improve resistance to corrosion and as a pretreatment for painting. Unsealed anodic coatings provide a suitable surface for the application of structural adhesives and allow increased durability for paints. Gives information on technical requirements, quality assurance provisions, packaging and delivery.