Hi,
I remember seeing a formula for this on the weg somewher.
I don't recall where, though.
Can someone help me?
Rene
> >A technique for removing rust is etching with Phosphoric Acid. Phosphoric
> >Acid has a unique property of dissolving iron oxide quickly while etching
> >iron very slowly. This means that you can leave metal in Phosphoric Acid
> >for much longer than necessary with very little damage. The acid will
> >attack bare metal slowly and will start the process of hydrogen
> >embrittlement, so use the minimum etch time that removes all rust.
> >
Rene and Marion van Maanen
Netherlands Europe
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