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Anodizing is an electrolytic process used to deposit an oxide layer onto the surface of metal parts. The metal parts act as the anode in the process and a direct current is passed through an electrolytic solution of acids in which the metal components are placed. The specific mix of acids will provide a range of corrosion and wear resistance, depending on the metal being coated. The anodizing process changes the chemical composition of the metal on the surface; therefore, a sealant is typically applied to help futher protect the surface.

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