An elegant and unique“Gun-color”deposit can be obtained on the bright Nickel layer. At present,it is popular on the international market.
It widely used on light industrial products, such as watches, lamps,leather decorations and so on.
The deposit has good hardness and resistance to abrasion.
The technique is stable, suitable for both rack and barrel plating.
BATH COMPOSITION AND OPERATION CONDITION
Potassium Pyrophosphate | 200~250g/L |
Salt A for Gun-color | 25-30 g/L |
Agent B for Gun-color | 35-40 g/L |
Stabilizer for Gun-color | 1-2 g/L |
Temperature | 40-45 ℃ |
pH | 8.5-9.5 |
Anode | Graphite |
Dk | 0.1-2A/dm2 |
Cathode replacement | Required |