[China Aluminum] The working principle of the oxidation production line is to use the metal or alloy part as the anode, using the electrolytic method to form an oxide film on the surface, the metal oxide film changes the surface state and performance.
Oxidation line features:
1. The bath liquid has low cost, simple composition and easy operation and maintenance. Generally, it is only necessary to dilute the sulfuric acid to a certain concentration. It is not necessary to add other chemicals. It is recommended to use chemical pure sulfuric acid, and industrial-grade sulfuric acid with less impurities can also be used. So the cost is extremely low.
2, high transparency of oxide film. Pure aluminum sulfate anodic oxide film is colorless and transparent. For aluminum alloys, transparency decreases as the alloying elements Si, Fe, Cu, and Mn increase. The sulfuric acid anodic oxide film is lighter in color than other electrolytes.
3, high coloring, sulfuric acid oxide film is transparent, porous layer of strong adsorption, easy to dye and color, bright color is not easy to retreat, there is a strong decorative effect.
Application area:
Non-ferrous metals or their alloys can be anodized. This method is widely used in mechanical parts, aircraft parts, precision instruments and radio equipment, daily necessities and architectural decoration.
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