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.
Usage conditions (standard)
|Item||Bath makeup concentration||Concentration for monitoring|
|Composition||Methuss AM||93 ml/L
(Bath concentration: 120 ml / L)
|METASU SM-2||225 ml/L
(Sn ：45 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
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