Keystone is now offering Tri-Alloy (Copper-Tin-Zinc or White Bronze) electroplating services. This process is being used as a low cost replacement to many silver finishes. There are many benefits to the Tri-Alloy process. It is lead free, does not corrode, is nickel and toxic free, is solderable and non-magnetic. Trade names including the following: Tri-Alloy, Miralloy, Bronzex, PMD White Bronze, Sucoplate, Speculum and Tri-M3.