What is copper plate used as corrosive agent?
Alkaline etching solution by cupric chloride and ammonia water, ammonium chloride configuration, the etching of alkaline etching solution is mainly used in double-sided or multilayer, acid etching liquid used in etching a single panel.
The corrosion of CCL is generally divided into two kinds: acid corrosion and alkaline corrosion. Acid etching liquid is usually hydrochloric acid, and etching liquid with nitric acid is also used;