BOSCH – 0 204 Y82 120
Electroplating, Zinc Over Ferrous Surfaces
This specification defines performance requirements for the electrolytic deposition of zinc coating with a passivation layer containing trivalent chromium where enhanced corrosion protection for ferrous surfaces is desired. This specification applies to either a rack or a barrel plating process. The coating material specified herein shall contain no hexavalent chromium as it is forbidden by applicable government and industry regulations.