SZ-30 Sulfate Acid Zinc Plating
I. Properties
1. Stable performance, high current efficiency.
2. The plating is smooth, bright and leveling.
3. Suitable for continuous galvanizing, also suit for single workpiece, suitable for any sulfate zinc electroplating.
II. Technical Formulation & Operating Condition
| Zinc Sulfate (ZnSO4·7H2O) | 300-450g/L |
| Boric acid (H3BO3) | 20-30g/L |
| SZ-30 brightener | 14-18ml/L |
| PH | 3.0~4.5 |
| Temp. | 10-50℃ |
| Cathode current efficiency | >95% |
| Anode | 0＃zinc ingot |
Current intensity control for continuous plating of wire (reference data)
|
Diameter (mm) |
Length plated (m) |
Running speed (m/min) |
Current intensity for each wire-rod (A) |
| φ≤1 | 5~8 | 10~30 | 20~80 |
| φ≤2.5 | 10~16 | 7~20 | 120~350 |
| φ≤5 | 8~12 | 5~10 | 200~500 |
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