White copper tin plating brightener ( cyanide- free ) ; Copper tin alloy electroplating
Product Details
Coating white gorgeous, crystallization and meticulous, high hardness, good wear resistance, strong anti-corrosion ability. It is an ideal alternative process for nickel plating, which is suitable for the bottom plating before gold plating, silver, palladium and rhodium, and can also be used for facial plating.
Widely used in mining machinery functional coating and metal, electronic devices decorative electroplating.
Process Specification Conditions
| FF-5133M | 400～480ml/L |
| Cu2+ | 6~10g/L |
| Zn2+ | 0.3~0.8g/L |
| KOH | 8~15g/L |
| Na2SnO3 | 40~60g/L |
| FF-5133A | 2~5ml/L |
| FF-5133B | 2~5ml/L |
| pH | 12~13 |
| Anode | Graphite plate |
| Temp. | 35~45℃ |
| Current density | 0.5~2.0 A/dm2 |
| SK:SA | 1:2 |
| Cathode move | Required |
