HKS-306A 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, can be used in high current density electroplating, and can meet the requirements of 220 ℃,30min baking without blistering, and no fog after trivalent chromium color passivation;
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 shapes of the workpiece, especially suitable for large shell type of 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 10(8-15) 12(8-15) Sodium hydroxide g/L 120(110-130) 100(110-130) HKS-306A alkaline non-cyanide zinc plating cylinder opening agent 8-12 ml/l 8-12 ml/l HKS-306B alkaline non-cyanide zinc plating brightener 1-3 ml/l 1-3 ml/l HKS-306C alkaline non-cyanide zinc plating additive 1-3 ml/l 1-3 ml/l HKS-308C alkaline cyanide-free zinc plating adjustment or 300D cleaning agent 8-10 ml/l 8-10 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-306A 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, can be used in high current density electroplating, and can meet the requirements of 220 ℃,30min baking without blistering, and no fog after trivalent chromium color passivation;
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 shapes of the workpiece, especially suitable for large shell type of 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
