copper-plated-studsCopper plating is the process in which a layer of copper is deposited on the item to be plated by using an electric current.

Stainless Plating offer an alkaline process.

With a higher current, hydrogen bubbles will form on the item to be plated, leaving surface imperfections. Often various other chemicals are added to improve plating uniformity and brightness. Without some form of additive, it is almost impossible to obtain a smooth plated surface. These additives can be anything from dish soap to proprietary compounds.

 

Limitations

Copper is an active metal (having a low ionization energy, so it loses electrons readily); hence, it does not readily plate onto a passivated surface, making direct plating of iron-based metals difficult. For this reason, such surfaces are first given a nickel-strike base coat, to which the copper can adhere.

Stainless Plating use a copper-cyanide solution, which retains a high concentration of copper.