Bright Nickel-Iron alloy electroplating process ; Substitute nickel plating
FI-F2
FI-F2 bright nickel-iron alloy electroplating process is suitable for the electroplating of tubular products, and can be widely used in protective-decorative electroplating of bicycles, furniture, sewing accessories, daily hardware and other products. Using the bright nickel-iron alloy electroplating additive produced by our company, the obtained coating is smooth, bright, and has good ductility. The process bath is stable, easy to operate, saves 15-25% of nickel compared to bright nickel plating, has low nickel content in the base solution, low preparation cost, less carry-out loss and good economic benefits.
1. Bath composition and Operation condition
| Formula and Operation Condition | Range | Optimum |
| Nickel sulfate | 180-200 g/L | 200 g/L |
| Nickel chloride | 40-50 g/L | 45 g/L |
| Boric acid | 40-50 g/L | 45 g/L |
| Ferrous sulfate | 10-20 g/L | 15 g/L |
| Stabilizer S-1 | 20-30 ml/L | 25 ml/L |
| Brightener F-2 | 0.5-0.8 ml/L | 0.5 ml/L |
| Softener P-2 | 10-15 ml/L | 12 ml/L |
| Temperature | 55-65℃ | |
| pH | 3.0-3.5 | |
| DK | 2-5 A/dm2 | |
| DA | 1-3 A/dm2 | |
| Area ratio of nickel anode to iron anode | 10-15:1 | |
| Material of iron anode | DT1-DT4 | |
| Stirring | Cathode movement or liquid stirring | |
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