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<p>[QUOTE=&quot;desertgem, post: 1283428, member: 15199&quot;]PVC damage is not only a contact disease, it can also be an air-borne contamination. It is initiated by the plasticizer chemicals added to PVC to make it flexible as well as transparent. These chemicals outgas producing the &quot;Plastic shower curtain&quot; smell. If you can open the safe after it has been closed for a week or more&nbsp; and smell that smell, it could cause damage if the chemicals diffuse into the holders and contact the vulnerable metal, and start reacting with the surface of the coins in the presence of humidity. Eventually most of the plasticizer leaves the plastic and the possibility of damage is lower, but since also increases yellowing and cracking, many collectors replace it with fresh new transparent PVC pages or holders and the process renews its action.</p><p><br /></p><p>There is no need to have any PVC in the safe. They&nbsp; make non-plasticized vinyl as well as polypropylene binders and pages, all of which are very safe. And I do agree with Thad on the acetone, just be sure the rinses are fresh and pure, or spots or white areas will appear on the coin surfaces, especially proofs.</p><p><br /></p><p>Do not use any fingernail remover. Get a can of pure acetone ( pint, etc.) at Walmart, Lowes or home depot as some removers can have perfumes and other organic substances , even waxes in one example I checked, that may&nbsp; have a bad effect on metal.</p><p><br /></p><p>Jim[/QUOTE]</p><p><br /></p>

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