This standard specifies the zinc-phosphate coating with metal-pigmented and/or organic (deltatone) sealing for coloring and improvement in corrosion resistance on automobile parts used by GM DAEWOO Auto & Technology Company (hereinafter referred to as the "GMDAT").

※ This coating system must be free of hexavalent chromium, with no hexavalent chromium in final product. ISO 3613 or GMW 3034 will be used as a reference test.