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Electroplated parts (chromium plating or zinc plating) will rust at different levels due to abrasion and water vapor erosion. When the rust is serious, it is difficult to remove it by basic methods, which not only affects the appearance but also damages the parts. Here is a good rust removal method without corroding the coating.

The first step: first, put ammonium acetate into the same amount of water, wait for sufficient dissolution, and then raise the temperature to about 70 ℃;

Step 2: clean the rusty parts with a soft cloth dipped in water solution until the rust spots disappear; Then wipe off the residual water solution with cloth, and the electroplated parts will be as bright as ever.

Step 3: small parts can also be soaked in aqueous solution for a period of time, removed and dried to achieve the same effect.

Finally, wipe with a dry cloth and a little oil.