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.
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）
|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
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