Conversion coatings on aluminum are coatings for metals where the part surface is converted into the coating with a chemical or electro-chemical process. Examples include chromate conversion, phosphate conversion coatings and oxide coatings on steel and titanium. These processes are used for:
Conversion coatings may be very thin, on the order of 0.00001".
Conversion Coating Specifications
Process |
Classification |
Military Specification |
Note |
Iridite and Alodine |
- |
MIL-DTL-5541-Type I |
Clear or Gold |
Chemical Film Hexavelent |
RoHS Compliant |
MIL-DTL-5541 Type II |
- |
Conversion Coatings |
- |
AMS 2486 |
Flouride Phosphate |
Conversion Coatings |
- |
- |
- |