Electrolytic Two-Step Anodizing
Architectural Anodizing
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What is it?

2-Step Anodize

Electrolytic Two-Step Anodizing

The Two-Step Anodizing Process

We take pride with what we do. That's why we take care when anodizing your parts.

  • degreasing

    Step 1


    Base metals are washed with a commercial soap to clean away oils and other surface debris.

  • cold rinse

    Step 2

    Cold Rinse

    Base metal is submerged in a cold rinse tank where commercial soap and surface debris are washed away.

  • caustic

    Step 3

    Caustic Soda Wash

    Base metal is submerged in a sodium hydroxide based etch that takes away surface imperfections, scratches, minor scuffs, etc.

  • warm rinse

    Step 4


    Base metal goes through a cold and warm rinse to remove sodium hydroxide based etch chemicals.

  • deoxidizer

    Step 5


    Deoxidizer is used to remove any film left from the etching process, leaving the metal brighter.

  • cold rinse 2

    Step 6

    Cold Rinse

    A cold rinse is used to remove left over deoxidzer from the base metal to prepare it for the anodizing process. This is the final step in the cleaning process.

  • anodize

    Step 7


    The base metal is submerged in a sulfuric acid bath to perform a controlled natural oxidation process.

  • warm rinse 2

    Step 8


    A three step rinse process to clean and clear the sulfuric acid and remaining surface oxidation away.

  • 2-Step Dye Bath

    Step 9

    2-Step Dye Bath

    The anodize material is immersed in a dye bath containing metal ions and an AC current is applied.

  • rinse

    Step 10


    Freshly dyed metal is rinsed to remove unabsorbed dye.

  • seal

    Step 11


    A sealant is applied to the anodized material to help corrosion resistance and dye retention.

  • 2-Step rinse

    Step 12

    2-Step Rinse

    A normal rinse is then followed by a heated rinse in the final step of the anodizing process.

  • Anodizing

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