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The most basic difference between the three types of plating

2024,06,02
1:Chromium plating is mainly to improve the surface hardness, aesthetic appearance and rust prevention. Chromium plating has good chemical stability, in alkali, sulfide, nitric acid and most organic acids do not act, but can be dissolved in hydrohalic acid (such as hydrochloric acid) and hot sulfuric acid. Because the chromium does not change color, the use of its reflective ability can be maintained for a long time and is superior to silver and nickel. The process is generally electroplated.
2:Nickel plating is mainly wear-resistant, anti-corrosion, rust, generally thin thickness, the process is divided into electroplating and chemical two categories.
3: galvanized is mainly beautiful rust. zn is active metal, can react with acid, so the corrosion resistance is poor, is the cheapest of the three.
Cost difference between chromium plating is the most expensive, followed by nickel, zinc is the cheapest, which should also be distinguished between hanging plating, roll plating and so on. Hanging plating is expensive, and roll plating is cheap.
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