Aluminum Association Finishes Designation
Mechanical Chemical Anodic Example:
To obtain an etched, matte surface, protected by an anodic treatment suitable for unmaintained exterior exposure, the designation would be as follows:
- AA — Aluminum Association
- C12 — Chemical Treatment (inhibited alkaline coating)
- C22 — Medium Matte etched surface
- A41 — Clear anodic coating at least 0.7 mil thick