The aluminum alloy is easy to oxidize and form a oxide film on the surface, but it does not protect the metal. By using electrochemistry, the oxide film is formed to prevent from further oxidation. The sulfuric acid anodic treatment is using the electrolyte to form a high density packed hexagonal pore structure, and seal the pores after dyeing with organic dyes. This can dye brightly on aluminum alloy. It has the characteristics of high strength, good chemical properties, good insulation, and high temperature resistance. It has also passed neutral salt mist test for 500 hours. The sewage generated by the process can be proper treated in circulating water system to prevent from pollution.more
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The aluminum alloy is easy to oxidize and form a oxide film on the surface, but it does not protect the metal. By using electrochemistry, the oxide film is formed to prevent from further oxidation. The sulfuric acid anodic treatment is using the electrolyte to form a high density packed hexagonal pore structure, and seal the pores after dyeing with organic dyes. This can dye brightly on aluminum alloy. It has the characteristics of high strength, good chemical properties, good insulation, and high temperature resistance. It has also passed neutral salt mist test for 500 hours. The sewage generated by the process can be proper treated in circulating water system to prevent from pollution.
