METASU SNV-200A/B
High-speed tin plating brighteners
METASU SNV-200A/B is a high-speed tin plating brightener developed for lead-free plating.
・A homogeneous lustrous appearance can be obtained over a electric current density range.
・A consistent characteristics can be obtained, with negligible discoloration seen after reflow.
・With high defoaming performance, it is suitable for partial plating.
Product specifications
Usage conditions (standard)
| Item | Bath makeup concentration | Concentration for monitoring | |
|---|---|---|---|
| Composition | Methuss AM | 93 ml/L (Bath concentration: 120 ml / L) |
80－160 ml/L |
| METASU SM-2 | 225 ml/L (Sn ：45 g/L） |
Sn：30－60 g/L | |
| METASU SNV-200A | 60 ml/L | 40－80 ml/L | |
| METASU SNV-200B | 30 ml/L | 10－45 ml/L | |
| Condition | Bath temperature | 25℃ （20-30℃） | |
| Electric current density | 5－20 ASD | ||
| Anode | High purity tin (99.99% and above is recommended) | ||
| Agitation | Pump circulation, material set in motion | ||
| Filtration | Continuous filtration by filter with thickness 1-5um | ||
* Conditions can be set accordingly to match the usage method.
Inquiries about the product
Feel free to contact us if you have any queries or matters to discuss.
