Forbrite CZ-325 conc.
Forbrite CZ-325 conc. is an ultra high performance additive for cyanide zinc plating baths.
The use of Forbrite CZ-325 conc. results in zinc deposits with a chrome like brilliance over a very wide range of
cyanide
concentrations and cyanide to zinc metal ratios.
Ⅰ.
Characteristics：
1. Deposits are exceptionally bright from very low to very high current densities and accept any post passivation
treatment
of chromates.
2. Effective
over a very wide range of cyanide concentration.
3. Tolerant
to high operating temperature.
4. Can
be used for either rack or barrel operation.
Ⅱ. Bath Composition
| Composition | Range | ||
|
High
|
Mixium Cyanide |
Low |
|
| Zinc Metal (g/l) | 30-38 | 10-19 | 6-10 |
| Sodim Cyanide(g/l) |
75-106 |
23-58 | 7-20 |
| M Ratio (NaCN/Zn) | 2.8-2.9:1 | 2.3-2.5:1 | 1.5-2.0:1 |
| Sodim Hydroxide (g/l) | 75-90 | 75-90 | 75-90 |
| Forbrite CZ-325 conc. (cc/l) | 2.1-3.5 | 2.1-3.5 | 2.1-3.5 |
Ⅲ. Operating Conditions:
| Item | Barrel | Rack | ||||
|
|
High
|
Mixium Cyanide |
Low |
High
|
Mixium Cyanide |
Low |
| Cathode
Current |
0.3-1.6 | 0.3-1.6 | 0.3-1.5 | 0.5-5.0 | 0.5-5.0 | 0.5-4.0 |
| Voltage (volts) | 9-15 |
9 |
9 |
3-6 | 3-6 | 3-6 |
| Temperature | Room Temperature | |||||
Ⅳ. Consumption：
Forbrite CZ-325 conc. 105-175 ml/1000AH