types of metal plating
How Metal Plating Works It is also a popular plating metal for electronics components such as printed-circuit boards. High-plating efficiency and low material cost make copper one of the less expensive metals to plate with. There are three types of copper plating processesâalkaline, mildly alkaline and acid. How Metal Plating Works Rhodium Plating. Rhodium is a type of platinum that provides tarnish resistance, scratch-resistance and a shiny, white lustrous appearance. Rhodium plating is also common in jewelry production, especially in situations where white gold requires plating. Silver, platinum and copper are also popular base metals for rhodium plating.