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<p>[QUOTE=&quot;desertgem, post: 835701, member: 15199&quot;]I hadn&#039;t tried this as any acetone treated coins of mine are dry before using the above. But I took a non-vinyl 2 X 2. Mylar or close , and a cardboard 2x2 with a mylar window, and put drops of acetone on the surfaces. After a short time, the acetone had evaporated and a wipe with a paper towel, and they looked new again, no visible effect. I only tried acetone, as that is what was close on hand. I keep the others in a chem locker in the garage.</p><p><br /></p><p>HOWEVER!&nbsp; from my past experience,&nbsp; any TPG slabs , ( haven&#039;t tried the ones that are treated&nbsp; to prevent scratches, maybe they are more resistant), I have even had a tiny drop of acetone&nbsp; on one, marred ( frosted) the plastic.</p><p><br /></p><p>Jim </p><p style="text-align: left"><span style="color: #000000"><br /></span></p> <p style="text-align: left"><span style="color: #000000"><br /></span></p> <p style="text-align: left"><span style="color: #000000"><br /></span></p><p>[/QUOTE]</p><p><br /></p>

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