From:
"Linda" <LMHTWB@xxxxxxxxxxx>
Date:
Fri, 11 May 2001 07:20:18 -0500
Subject:
Marble and Oxalic Acid
I am in the process of polishing my first marble and I have a question. In
the book Direct Stone Sculpture by Milt Liebson, he says to rub on a
solution of oxalic acid onto the sanded marble before applying either tin
oxide or wax as the final finish. He gives no explanation as to why one
does this on marble only. Also the other sculpture books I have do not
mention this step at all.
Can anyone explain what the purpose of oxalic acid is?
Linda H.
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