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 | |
| Classes | ||
| 1A | For maximum protection against corrosion | |
| 3 | For protection against corrosion where low electrical resistance is required. |
