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.