METASU FSM-42A/B
Matte tin plating brighteners
METASU FSM-42A/B is a matte tin plating brightener developed for use on a lead-free plated film.
・Superior bath stability during operation.
・Homogeneous characteristics with little change in color and evenness can be obtained after reflow.
Product specifications
Usage conditions (standard)
| Item | Bath makeup concentration | Concentration for monitoring | |
|---|---|---|---|
| Organization | METASU AM | 90 ml/L | 80-200 ml/L |
| METASU SM-2 | 250 ml/L (Sn :50 g/L) |
Sn:30-80 g/L | |
| METASU FSM-42A | 40 ml/L | 20-60 ml/L | |
| METASU FSM-42B | 20 ml/L | 10-30 ml/L | |
| Condition | Bath temperature | 35℃ (30-40℃) | |
| Electric current density | 3-15 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.





