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<p>[QUOTE=&quot;GDJMSP, post: 788696, member: 112&quot;]I am not a chemist, but I know this much. The people who make products will pretty much always tell you that they are safe to use, they do want to sell it after all.</p><p><br /></p><p>Now perhaps Jim can shed some light here, Koinsolv contains the following - </p><p><br /></p><p>n-Propyl bromide</p><p>1-Propanol</p><p>1,2-Epoxybutane</p><p>Oxygenated hydrocarbons</p><p><br /></p><p>We&#039;ll see what Jim says, but I know a little about some chemicals. And propyl bromide forms an acid if it comes into contact with moisture. Not sure I&#039;d want to use that on my coins. </p><p><br /></p><p>And I&#039;d be a little concerned about oxygenated hydrocarbons as well.[/QUOTE]</p><p><br /></p>

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