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P.O. Box 1606, Palmer Lake, CO 80133
Tel: (719) 488-9640, Fax: (866) 453-8473
Sales: Sales@ThinkTink.com, Support: Support@ThinkTink.com
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Tin/Lead Plating Solution

Before handling and/or using any toxic and/or highly corrosive material,
you must familiarize yourself with its safe handling procedures and analysis techniques.

If your solder plating tank has a volume of 10 gal (40 liters) or less, you might find it beneficial to mix your electrolyte from premixed components. These are mixed in a fixed ratios to make a ready-to-use plating bath. The electrolyte is maintained adding organic additives, 60/40 SolderPlate acid, tin concentrate and lead concentrate as indicated by analysis.

Using Premixed Makeup Solutions
Mix components in the order presented!
Component Quantity
Deionized water 5.5 parts
60/40 SolderPlate solution (concentrate) 3.1 parts
60/40 SolderPlate acid 1.4 parts
This bath is rated for continuous plating at 10 to 30 Amps per Square Foot (ASF).
20 ASF is the recommended operating point for PCB applications.

If the volume of your tank exceeds 10 gallons, you will probably be better off buying the makeup components in bulk and mixing your bath from scratch. This is especially true if you are setting up a PCB prototyping shop where the cost per board needs to be well controlled.

Bulk Tin/Lead
Electrolyte Recipe
Mix components in the order presented!
Component Concentration by volume
Deionized (or distilled) water 40.0%
60/40 SolderPlate acid 14.0%
60/40 SolderPlate tin concentrate (120 g/l tin metal)* 13.3%
60/40 SolderPlate lead concentrate (450 g/l lead metal)* 2.4%
60/40 SolderPlate PC additive 10.0%
60/40 SolderPlate PC carrier 5.0%
Deionized (or distilled) water dilute to final volume
This bath is rated for continuous plating at 10 to 30 Amps per Square Foot (ASF).
20 ASF is the recommended operating point for PCB applications.


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