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Letter 25106
Firescale Removal with "Liquid Kopper
Cleaner"
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When fabricating sterling silver components and you get the silver
too hot with your torch the result is a gray cast on the surface
(which is some of the copper content in the silver). The only way to
get rid of it is to buff it out with agressive compounds which takes
forever. I saw an article on the web that said "Liquid Kopper Clean"
is the answer. Just dip in the solution for 30 seconds and the
firescale is gone. I can not find it anywhere. Can anyone help?
Richard Langbert
Silversmith - Stuart, FL, USA
I don't see such a product either, Richard, but I do see dozens of
professional sites that warn us not to try to remove firestain, only
to try to avoid it.
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Ted Mooney, P.E.
finishing.com
Brick, New Jersey
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