What Is Involved in Nickel Electroplating?
Mainly used as protective decorative coating. Nickel plating is a cathodic coating for iron substrates. Its porosity is high, so copper plating is used as the bottom layer or multiple layers of nickel plating are used. Nickel deposits deposited from ordinary nickel plating solutions are not bright, but are easily polished. With certain brighteners a specularly bright nickel layer can be obtained. It is widely used in automobiles, bicycles, watches and clocks, medical equipment, instruments and household hardware. A sulfate-chloride solution containing a part of the chloride, called "Watt" nickel plating solution, is most widely used in production.