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  • After passivation treatment of galvanized layer, it can generate a layer of bright old and beautiful color passivation film, which can significantly improve its protective performance. There are many kinds of galvanized solution, according to its properties can be divided into cyanide bath and cyanide bath two categories. Cyanide zinc plating solution has good dispersion ability and coverage ability, the coating crystal is smooth and meticulous, simple operation, wide application range, in the production is used for a long time.

  • Zinc is a silver-white metal, brittle at room temperature, soluble in acid can also be soluble in alkali, known as amphoteric metal. Pure zinc in dry air is more stable, in humid air or containing carbon dioxide and oxygen water is small, the surface will generate a layer of basic zinc carbonate based thin film layer, it can delay the corrosion rate of zinc layer. The corrosion resistance of zinc coating in aqueous solution of acid, alkali and sodium chloride is stronger.

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