Galvanized refers to the surface of metal, alloy or other materials coated with a layer of zinc to play a beautiful, rustproof and other functions of the surface treatment technology. The standard electrode potential of zinc is -0.76V, for the steel substrate, zinc coating is anodic coating, it is mainly used to prevent corrosion of steel, and its protective performance is closely related to the thickness of the coating. Zinc coating after passivation treatment, dyeing or coating light protection agent, can significantly improve its protective and decorative.
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