Environmental protection. Electroplating pearl chromium according to GB/T 10 125? 20 12 artificial atmosphere salt spray test After 96 hours of neutral salt spray test, the surface of the plated parts does not produce corrosive substances, which has good corrosion resistance and is very environmentally friendly. Electroplating is a process of plating a thin layer of other metals or alloys on the surface of some metals by using the principle of electrolysis.