Ron Wagner <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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Jack,
Seems to me that the mix you preset is actually somewhat acidic and cleans
the copper by etching. Although it would work, and I have used a similar
mix on copper weld wire so that I could clean it for soldering. I would
suggest anyone using this be careful as the plating on the chassis can
be very thin after years of exposure.
73,
Ron WD8SBB
On Sun, 20 Jul 2008, Jack Dunigan wrote:
Hi, I'm new to the list but not so new to restoring old things. I've had pretty
good luck with a paste made up in the kitchen. Dissolve 1 teaspoon salt in 1
cup white vinegar. Add enough flour to make a paste. Apply the paste to copper
and let sit for 15 minutes to 1 hour. Rinse with clean warm water, and polish
dry. Don't scrub too much and try to avoid abrasive pads. They scratch the
surface. The original laquer coating develops cracks allowing corrosion to set
in. If you want to remove all the old laquer use acetone or alcohol. As with
any process, try it in some out of the way place first before attacking the
whole surface.
Jack
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