The substrate is used as an anode, placed in an electrolytic solution for electrolysis, and a protective oxide film is artificially formed on the surface of the substrate to form an alumina material.
Main features of alumina:
1. It has strong wear resistance, weather resistance and corrosion resistance.
2, can form a variety of colors on the surface of the substrate, to the maximum suit your requirements.
3, strong hardness, suitable for the production of various construction and industrial materials.
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