This process also allows the part to have a chrome finish but not the durability of chrome plating. This type of finish is used generally for indoor applications.
It can be applied to many different substrates including plastics, wood, metal, glass, etc.
This process uses metal deposing onto the part in a vacuum chamber. When the part is removed it then has a clear or tinted coating applied to give protection from rubbing the metallizing off.
Readily recognized applications would be bottle caps for cosmetic, liquor, lipstick tubes, some toys and advertising displays