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Briefly describe the treatment method of aluminum surface coloring

  • Categories:Common problem
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  • Time of issue:2020-10-20
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(Summary description)First, the surface pre-treatment: the surface of the profile is cleaned by chemical or physical methods, and the pure substrate is exposed, which is beneficial to obtain a complete and fine artificial

Briefly describe the treatment method of aluminum surface coloring

(Summary description)First, the surface pre-treatment: the surface of the profile is cleaned by chemical or physical methods, and the pure substrate is exposed, which is beneficial to obtain a complete and fine artificial

  • Categories:Common problem
  • Author:
  • Origin:
  • Time of issue:2020-10-20
  • Views:0
Information
First, the surface pre-treatment: the surface of the profile is cleaned by chemical or physical methods, and the pure substrate is exposed, which is beneficial to obtain a complete and fine artificial oxide film. The mirror surface or matte surface can also be obtained through mechanical means.
Secondly, anodizing: the profile pre-treated on the surface, under certain process conditions, anodizing occurs on the surface of the substrate, resulting in a fine, porous, strong adsorption AL203 film.
Finally, sealing the pores: the pores of the porous oxide film formed after anodizing are closed to enhance the anti-pollution, corrosion resistance and wear resistance of the oxide film. The oxide film is colorless and transparent. Using the strong adsorption of the oxide film before sealing, some metal salts are adsorbed and accumulated in the film hole, which can make the surface of the profile flash many colors other than nature, such as: black, bronze, golden yellow and stainless steel Color etc. 

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