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    Chrome plating vs Nickel plating vs Zinc plating on aluminum castings

    2020-12-14 16:45:17

    Electroplating is the process of plating a thin layer of other metals or alloys on the surface of aluminum castings using the principle of electrolysis. It is the process of using electrolysis to attach a metal film to the surface of aluminum castings to prevent oxidation of  aluminum castings (such as Corrosion), improve wear resistance, electrical conductivity, reflectivity, corrosion resistance (copper sulfate, etc.) and enhance aesthetics. Electroplating is divided into specific processes such as copper plating, gold plating, silver plating, chromium plating, nickel plating and zinc plating. In the manufacturing industry, zinc plating, nickel plating and chromium plating are the most widely used. And there must be some difference between these three?


    Galvanized aluminum castings

    Definition: Zinc plating refers to a surface treatment technology that coats a layer of zinc on the surface of aluminum castings to play a role in aesthetics and rust prevention.

    Features: low cost, general anti-corrosion, silver-white color.


    Aluminum castings nickel plated

    Definition: The method of plating a layer of nickel on aluminum castings by electrolysis or chemical methods is called nickel plating.

    Features: beautiful, can be decorated, the price is high, the craft is slightly complicated, the color is silvery white and yellow.


    Chrome plating of aluminum castings

    Definition: Chromium is a bright white metal with a bluish tint. The method of plating a layer of chromium on aluminum castings by electrolysis or chemical methods is called chromium plating.

    Features: There are two types of chrome plating. The first is for decorative purposes, with a brighter appearance and better abrasion resistance. The rust resistance is not as good as galvanized and better than oxidation; the second is to increase the hardness and wear resistance of metal parts. , This is the functionality of the part.


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