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NAVISTAR - MPAPS G-21

Anodic Coatings on Aluminum

active, Most Current
Organization: NAVISTAR
Publication Date: 1 May 2022
Status: active
Page Count: 7
scope:

This specification covers the requirements for an electrolytically oxidized coating applied to aluminum or aluminum alloys for purposes of appearance, corrosion resistance, electrical (insulating) properties, or abrasion resistance. The coating may be color dyed for identification or decoration.

CLASSIFICATION

Anodic coatings are classified by their application and the thickness of the coating.

APPLICATION

The method used for applying this finish generally consists of an electrolytic treatment of the aluminum in an acid bath. Coatings for decorative purposes may be dyed. All coatings, except those specifically used for abrasion resistance, must be hot water sealed. Details of processing are not limited by this specification. Three classes of anodic coatings are described in this specification:

Class A - Decorative exterior

Class B - Decorative interior

Class C - Hard coat for abrasion resistance

Document History

MPAPS G-21
May 1, 2022
Anodic Coatings on Aluminum
This specification covers the requirements for an electrolytically oxidized coating applied to aluminum or aluminum alloys for purposes of appearance, corrosion resistance, electrical (insulating)...
October 1, 2020
Anodic Coatings on Aluminum
A description is not available for this item.
June 1, 2014
Anodic Coatings on Aluminum
A description is not available for this item.

References

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