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SANKEI INDUSTRY CO., LTD.株式会社 三恵工業所

Head Office Tel: +81-(0)3-6807-9447 Fax: +81-(0)3-6807-9448
Soka Factory Tel: +81-(0)48-931-8703 Fax: +81-(0)48-935-3445

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Our Anodizing Process
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Changes in base material
due to anodizing reproduction

Unlike plating, anodized coating is a film that is generated by changes in the surface of aluminum itself. Depending on the alloy material, about 1/2 to 2/3 of the growth coating grows inside the base material when it is generated.
For this reason, if the existing anodized coating is removed during the reproduction process, the part that has grown inside the base material will be removed, and the thickness will be reduced. The amount of change depends on the material, heat treatment, and the method of anodizing.
Illustration: Status of base material, After anodizing process, After removing treatment, After anodizing reproduction