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Cleaning Sticky Coins

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Coin Chaser's Avatar
United States
307 Posts
 Posted 12/09/2010  3:19 pm Show Profile   Bookmark this topic Add Coin Chaser to your friends list Get a Link to this Message Number of Subscribers
We just bought a lot of coins that are very sticky and greasy. Is there a safe way to clean them? Reading the posts they advise against cleaning but these coins are need to be cleaned. Thanks for any help.
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Tim Stroud's Avatar
United States
2661 Posts
 Posted 12/09/2010  3:40 pm  Show Profile   Bookmark this reply Add Tim Stroud to your friends list Get a Link to this Reply
An acetone soak should do it. About 10 minutes or so in the acetone and a rinse with distilled water and that should take care of the problem. You may need to repeat several times for heavy build up.
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Coin Chaser's Avatar
United States
307 Posts
 Posted 12/09/2010  3:53 pm  Show Profile   Bookmark this reply Add Coin Chaser to your friends list Get a Link to this Reply
Thanks Tim. That will not effect coins? Some are copper, silver and nickel.
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jbuck's Avatar
United States
188213 Posts
 Posted 12/09/2010  4:09 pm  Show Profile   Bookmark this reply Add jbuck to your friends list Get a Link to this Reply
Pure acetone is an organic solvent and should have no affect on the coin metal.

You need to be very careful with it. Use only in a well ventilated area. Do not reuse it; always use a fresh quantity for each coin.
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Coin Chaser's Avatar
United States
307 Posts
 Posted 12/09/2010  4:28 pm  Show Profile   Bookmark this reply Add Coin Chaser to your friends list Get a Link to this Reply
Wow! We have a lot of coins to clean. We just want to rid them of this sticky problem. I was hoping that we could clean several hundred at a time. Dipping rinsing and drying reusing the acetone.
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jbuck's Avatar
United States
188213 Posts
 Posted 12/09/2010  4:49 pm  Show Profile   Bookmark this reply Add jbuck to your friends list Get a Link to this Reply
It does not take a lot of acetone for each coin, nor does it take a long time.

I have never done so, but you may be able to do them in batches. Most of the ones with light contamination could be okay, but you may have to run some of the more heavily contaminated ones through again.
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palaniappan's Avatar
India
265 Posts
 Posted 12/10/2010  6:43 pm  Show Profile   Bookmark this reply Add palaniappan to your friends list Get a Link to this Reply
just use plain water and soap.

warm wishes.
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Numisnut's Avatar
United States
123 Posts
 Posted 12/10/2010  6:48 pm  Show Profile   Bookmark this reply Add Numisnut to your friends list Get a Link to this Reply
Start off with Dawn dish washing liquid first. It will remove the grease and get ready for anything else that's needed.5 gallon buckets would be good.
Edited by Numisnut
12/10/2010 8:09 pm
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cdn44fan's Avatar
Canada
221 Posts
 Posted 12/10/2010  7:54 pm  Show Profile   Bookmark this reply Add cdn44fan to your friends list Get a Link to this Reply
Boy oh boy Coin Chaser, I hope you don't have to
clean all 50,000 pennies in that water jug
I'd love to help you but I'm too far away
Hope some of the forum's help gets you where
you want to go
Rest in Peace
pls's Avatar
United States
1729 Posts
 Posted 12/10/2010  9:04 pm  Show Profile   Bookmark this reply Add pls to your friends list Get a Link to this Reply
I use Goo-Gone for gunky coins, as long as they are not very valuable.
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