3 methods for correct coloring of industrial aluminum profiles

by:Zeyi     2021-07-28
Good quality aluminum profiles are all colored. Coloring can not only improve the aesthetics of the aluminum, but also improve the corrosion resistance of the aluminum surface. Do you know what are the methods for coloring aluminum? Let me introduce you. 1. Pretreatment: Cleaning the surface of aluminum profiles by chemical or physical methods can show the original color of aluminum profiles. We can also obtain mirror or matte aluminum profile surfaces through mechanical means. 2. After the surface treatment of the anodized aluminum profile, under certain processing conditions, the surface of the aluminum material is anodized, and the oxidized aluminum surface will form a porous and strong adsorption protective film. 3. Sealing The porous oxide film formed after anodic oxidation is sealed to improve the corrosion resistance of aluminum. We can use the strong adsorption of the oxide film before sealing to adsorb and deposit some metal salts in the film pores. Let the aluminum profile show a color other than the natural color. The above are three methods of coloring aluminum profiles. If you don't know anything, you can consult the editor.
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