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Suitable coating for aluminium exposed to ethanol

I have a problem of corrosion of aluminium LM-25 due to alcohol (example ethanol).
Alcohol forms a white jelly on the aluminium surface when kept together for 2-4 days.This jelly turns to powder when exposed to air. This jelly results in corrosion of aluminium surface.
Please suggest me a suitable plating.

Swapneel Kolte
employee - Pune, India
November 4, 2010
publicly reply to Swapneel Kolte

Electroless nickel would be a good candidate. Depending on what and where it is being plated, there are several other candidates.

James Watts
- Navarre, Florida
November 5, 2010
publicly reply to James Watts

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