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phone (920) 857-9701
email sales@gbanodizinginc.com

address 2074 S Ashland Avenue Green Bay, WI 54304

F.A.Q.

What color finishes do you have available?

Green Bay Anodizing will finish your parts in black, gold, blue-grey, clear, red, blue, green, purple, brown, orange, pink and pewter.

How long have you been in the metal finishing business?

Green Bay Anodizing has more than 50 years of experience in the metal finishing industry.

Why should I do business with Green Bay Anodizing?

We've addressed this question more in depth on the "Why GBA?" page. The short answer is because we understand that we only succeed if you succeed.

What is Anodizing?

Anodizing is an electrochemical process that converts the metal surface into a decorative, durable, corrosion-resistant, anodic oxide finish.

The anodic oxide structure originates from the aluminum substrate and is composed entirely of aluminum oxide. This aluminum oxide is not applied to the surface like paint or plating, but is fully integrated with the underlying aluminum substrate, so it cannot chip or peel. It has a highly ordered, porous structure that allows for secondary processes such as coloring and sealing.

Anodizing is accomplished by immersing the aluminum into an acid electrolyte bath and passing an electric current through the medium. A cathode is mounted to the inside of the anodizing tank; the aluminum acts as an anode, so that oxygen ions are released from the electrolyte to combine with the aluminum atoms at the surface of the part being anodized. Anodizing is, therefore, a matter of highly controlled oxidation—the enhancement of a naturally occurring phenomenon.