Coatings for aluminum. Color can vary from colorless to golden - iridescent -brown. Materials should conform to Mil - C - 81706. Coatings shall be continuous, free from powdery areas, breaks, scratches, etc.
Spec.
Thickness
Comment
MIL-C-5541E
No Dimensional Change
-
Class 1 A
No Dimensional Change
Class 1A is used as a corrosion preventative film (if unpainted) or to improve adhesion of paint finish systems (if painted).
Class 3
No Dimensional Change
Class 3 is used as a corrosion preventative film for electrical and electronic applications, where low resistance contacts are required.
