Aluminum and Aluminum Alloys

Chemical conversion coatings on aluminum and aluminum alloys in accordance with MIL-C-5541 & MIL-DTL-5541

Specification Classification
MIL-C-5541 / MIL-DTL-5541 Types
I Compositions containing Hexavalent chromium
II Compositions containing no Hexavalent chromium
1A For maximum protection against corrosion
3 For protection against corrosion where low electrical resistance is required.