There are two types of Industrial chromium plating solutions: hexavalent chromium baths whose main ingredient is chromic anhydride and trivalent chromium baths whose main ingredient is chromium sulfate or chromium chloride. Trivalent chromium baths are not yet common, due to restrictions concerning color, brittleness, and plating thickness. For decorative purposes, the best combination would be chrome and nickel which offers the most protection against corrosion. It will have a mirror finish that will only be as good as the finish you put on the surface before you put on the chrome. -
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