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Quality Plating Co., Inc.

801-355-7424

sales@qualityplating.com

Services/Finishes: We offer a wide range of plating finishes as indicated by the following list. We have included some general information, but please contact us to answer questions related to your specific needs.

Anodizing, Chromic Acid

Mil-A-8625 Type I, Class 1 and AMS 2471

Chromic Acid Anodizing is an industial, functional finish. Because of the toxic nature of hexavalent chrome, this type of anodizing is being replaced with a sulfuric anodizing whenever it is allowable. The aerospace industry is the largest user of Chromic acid anodizing today. Chromic acid anodizing has three advantages over Sulfuric acid anodizing.

- The coating thickness is very thin thus making it easier to hold close tolerance. The average coating buildup is 0.000050" thick.

- Chromic acid is not as detrimental to the aluminum as sulfuric acid. Therefore parts with complex shapes that trap the anodizing solution are not attacked in these areas.

- Chromic Acid anodizing introduces less stresses into the material than Sulfuric acid anodizing.

Chromic acid anodizing is a gray color and because of the thin coating thickness, it is not easily dyed. Even under the best circumstances, a part which is dyed black will have a very grayish appearance.