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<p>[QUOTE=&quot;GDJMSP, post: 2650781, member: 112&quot;]There&#039;s been thread after thread written on the subject so I&#039;ll try and keep it short. Acetone will only work on a few things: PVC residue, tapes and adhesives, some glues (not others). Some, stress some, oily substances; I say that because acetone doesn&#039;t work very well on oil per se, but some oily like substances, it&#039;ll take it off. (Xylene works much better on oils). And some organic compounds, but with most of those just about any liquid would take them off.</p><p><br /></p><p><br /></p><p><br /></p><p><br /></p><p>Good luck with that ! And there&#039;s a reason I say that, namely that most of the spots that people &quot;call&quot; carbon spots, are not carbon spots at all. But dark, or black colored spots caused by something else entirely, usually organic in nature. Carbon spots, real carbon spots, are for all practical purposes impossible to remove. That&#039;s because they are embedded into the metal itself, they are an impurity within the metal, not something &quot;on&quot; the metal. Things &quot;on&quot; the metal can usually be removed. Things &quot;in&quot; the metal cannot.[/QUOTE]</p><p><br /></p>

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