HKS-308 Alkaline Cyanide-free Zinc Plating Process
1. The process can obtain bright zinc coating, the coating thickness distribution is uniform, can be used trivalent chromium blue passivation agent passivation to obtain uniform and beautiful blue passivation film, the resulting coating can be colored, blue, black passivation treatment;
2. The coating has good ductility and no brittleness, and can be used in high current density electroplating;
3. Suitable for hanging plating and barrel plating, plating solution stability is good, there is no problem of decomposition products;
4. The coating position is good, more suitable for complex shape of the workpiece;
5. The coating has good corrosion resistance, and can reach various corrosion resistance standards with passivation solution;
6. Does not contain complexing agent, belongs to environmental protection type electroplating, wastewater treatment is simple.
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Solution composition and operating conditions
Hanging plating range barrel plating range Zinc Metal g/L 12(8-15) 15(10-20) Sodium hydroxide g/L 120(110-140) 110(100-120) HKS-308A alkaline non-cyanide zinc plating cylinder opener ml/L 8-15 ml/l 8-15 ml/l HKS-306B alkaline non-cyanide zinc plating brightener ml/L 1 ml/L 1 ml/L HKS-308D alkaline cyanide-free zinc plating remover 0.5-1 ml/l 0.5-1 ml/l HKS-306C alkaline non-cyanide zinc plating additive 0.5-1 ml/l 0.5-1 ml/l HKS-308C alkaline non-cyanide zinc plating regulator 0-10 ml/l 0-5 ml/l HKS-306D alkaline cyanide-free zinc plating wetting agent 0-1 ml/L 0-1 ml/L Temperature 25(20-28)℃ anode Mild steel, zinc dissolved in external tank S anode/S cathode 1.5-2:1 cathode current density 0.5-6A/dm2 current efficiency 60-75% deposition velocity 0.1-0.2μm/min(1A/dm2) Stirring The cathode moves at 3-5 m/min Filtration Continuous filtration (filter element 10μ, cycle at least 1-2 times per hour) Cooling Required Exhaust Requires use, especially when using insoluble anodes
HKS-308 Alkaline Cyanide-free Zinc Plating Process
1. The process can obtain bright zinc coating, the coating thickness distribution is uniform, can be used trivalent chromium blue passivation agent passivation to obtain uniform and beautiful blue passivation film, the resulting coating can be colored, blue, black passivation treatment;
2. The coating has good ductility and no brittleness, and can be used in high current density electroplating;
3. Suitable for hanging plating and barrel plating, plating solution stability is good, there is no problem of decomposition products;
4. The coating position is good, more suitable for complex shape of the workpiece;
5. The coating has good corrosion resistance, and can reach various corrosion resistance standards with passivation solution;
6. Does not contain complexing agent, belongs to environmental protection type electroplating, wastewater treatment is simple.
Still deciding? Get samples first, Contact US !
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Guangdong Dazhi Chemical Technology Co., Ltd
Email: sales@dazhichem.com
Phone/WeChat: 86-18520125168
Address: No.1 Tianyuan East Road, Yonghe Economic Zone, Huangpu District, Guangzhou City
