HN-741 Low Cyanide Alkali Zinc Plating
Commodity Name
HN-741 Low Cyanide Alkali Zinc Plating
Composition and Working Conditions
Low-cyanide composition:
Zinc metal 7.5~12g/L
Sodium cyanide 20~30g/L
Sodium hydroxide 85~100g/L
NaCN/Zn 2.0~2.5
NaOH/Zn 6.5~11.5
Brightener HN -741 2~3mL/L
Temperature 20~45℃
Current density 0.2~6A/dm2
Current efficiency 65~80%
Consumption:
Brightener HN -741 80~120mL/1000A.H
Application and Advantage
1. Suitable for rack plating and barrel plating.
2. High-speed brightening, good leveling.
3. Soft and bright deposit, easy to do chromate passivation.
4. Good covering power, low consumption of additives.
5. Suitable for low-cyanide zinc plating, reduce environment pollution.
6. Wide range of operation, easy to operate and control.