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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

The designation would read: AA-C12-C22-A41

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