Brass is an alloy of copper and zinc. Primarily, brass plating is used in decorative finishes. This plating, however, is also valuable in engineering uses. In the electrochemical process, a thin layer of brass is deposited on metal. Typically, this is used over a layer of nickel. To keep it from tarnishing, plated brass should always be coated with a lacquer.
Though it has a similar look to brass, Forever Brass is actually a Zirconium Nitride Physical Vapor Deposition (PVD). This coating is applied in a vacuum and is most commonly used on stainless steel and chrome plated surfaces. This coating is commonly found on newer plumbing fixtures since the lacquered coating is superior at resisting corrosion and tarnish.
The brass plating is most effectively applied when done at temperatures of 95 to 105 degrees. This process normally takes place in tanks or barrels depending on the size of the item.