METASU SNV-200A1/B1
Tin plating brighteners for sulfuric acid bath
METASU SNV-200A1/B1 is a borofluoride-free tin plating brightener.
・Suitable for pure tin.
・Superior luster throwing power, and can be used for barrel and rack plating.
・Able to obtain a high lustrous coating over a broad range of electric current density.
・Does not contain borofluoride compounds or formalin.
・Can also be used as an organic acid tin plating brightener
Product specifications
Usage conditions (standard)
| Item | Bath makeup concentration | Concentration for monitoring | |
|---|---|---|---|
| Composition | 98% sulfuric acid | 184 g/L | 100－250 g/L |
| Stannous sulfate (Tin metal) |
20 g/L (11 g/L) |
15－25 g/L （8－13 g/L） |
|
| METASU SNV-200A1 | 30 ml/L | 25－35 ml/L | |
| METASU SNV-200B1 | 1 ml/L | 0.5－1.5 ml/L | |
| Condition | Bath temperature | 20℃ （10-25℃） | |
| Electric current density | 0.2－4 A/dm2 | ||
| 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.
