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Electroless Nickel
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Anodizing Alternatives


Anodizing is the process of creating a controlled oxide coating on aluminum.

A number of types of anodize processes have been developed for various end uses. The more popular types are:

  • Chromic Acid Anodizing Improves corrosion protection
  • Paint base for aircraft and marine parts
  • Mil-A-8625, Type I, SAE-AMS-2470

  • Sulfuric Acid Anodizing Cosmetic, most specified of the types
  • Ability to be dyed to a wide range of colors
  • Mil-A-8625, Type II, SAE-AMS-2471 (Clear), SAE-AMS-2472(Colored) xx

  • Peninsula Metal Finishing, Inc. currently offers Sulfuric Acid, Type II.

  • Sulfuric/Oxalic Acid Extremely hard, dense coating (Hardcoat)
  • High wear resistance
  • Mil-A-8625, Type III, SAE-AMS-2468 & 2469

  • Other types include Boric Acid, Oxalic Acid, Phosphoric Acid, and anodizing solutions for architectural products.

  • Specifications:
    • Mil-A-8625
    • ASTM B 580
    • SAE-AMS-2471 (Clear)
    • SAE-AMS-2472 (Colored)
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