Additive for Gun-black electroplating of Sn Ni alloy ; GB-100
1. An elegant and unique “Gun-color” deposit can be obtained on the bright Nickel layer. At present, it is popular on the international market, widely used on light industrial products, such as watches, lamps, leather decorations and so on.
2. The deposit has good hardness and resistance to abrasion.
3.The technique is stable, suitable for rack plating.
Technical Formulation and Operating Condition
|Potassium Pyrophosphate K4P2O7||250~320g/L|
|Stannous pyrophosphate Sn2P2O7||8~15g/L|
|Nickel chloride NiCl2||40~100g/L|