GY-222 Additive new cyanide-free bright galvanized

GY-222 new cyanide-free zinc plating additive a bright, characteristics and uses: This product is the latest development of foreign non-cyanide zinc additives, which in addition to the general characteristics of galvanized products, there are additive consumption low, bright coating and coating low brittleness, and its overall performance fully comparable to similar products. Second, the solution composition and operating conditions: ZnO 7-15 g / l of sodium hydroxide 70-150 g / l GY-222A additive 5-12ml / L GY-222B additive 5-12 ml / L current density 0.5-6A / d㎡ temperature 15-40 ℃