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<p>[QUOTE=&quot;Victor, post: 806835, member: 5454&quot;]^^^^^^</p><p>&nbsp;I don&#039;t really know if you are asking if the residue comes from the acetone or the PVC.&nbsp; I suspect you need to do several more rinses with the pure acetone to get all the PVC off.&nbsp; And most of the PVC I have seen is a light blue.</p><p>&nbsp;I soon will be doing some conserving on a bunch of kennedy proofs with PVC.</p><p>Proofs are a bit harder to work with and there probably are some of them that will not survive the ordeal.&nbsp; But maybe I can get half the lot looking good.[/QUOTE]</p><p><br /></p>

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