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<p>[QUOTE=&quot;Oldhoopster, post: 8135844, member: 84179&quot;]I haven&#039;t found any data on the partial pressures of the decomposition products of the plasticizers, but I don&#039;t believe it is high based on 35 years of dealing with PVC removal (I used to use Freon 113 from the chem lab in college) .&nbsp; In any case, the residue has to react with moisture and warmth to form the damaging HCl. If the residue is in the cardboard and the moisture and environment are right, I would think the HCl would do a number on the cardboard.</p><p><br /></p><p>Nothing wrong with being cautious, but I don&#039;t see any science or anything in my experience that says this is a high risk situation.&nbsp; It&#039;s just a matter of opinion until somebody finds the partial pressure data. I&#039;ll agree to disagree until that time[/QUOTE]</p><p><br /></p>

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