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Tin stripping from Aluminum

I have some 6061 Aluminum parts plated with Tin. How do I strip the Tin without damaging the aluminum?

Robin John
Process Engineer - West Chicago, Illinois, USA
2007

2007

Dear Robin,

You can try a hot solution of yellow ammonium sulfide(80g/l) or (but I don't know if it still exists)
Enstrip L-90.
The luster of the aluminium is probably affected.

kind regards,

Sjamp van Esch
- Eindhoven, The Netherlands

A cold and very dilute solution of nitric acid in water will dissolve tin w/o altering your aluminum base.
Guillermo Marrufo-Mexico

Guillermo Marrufo
- Monterrey, Mexico
2007

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