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<p>[QUOTE=&quot;GDJMSP, post: 4590406, member: 112&quot;]Yeah it does sometimes but not always - you can also get false positives. Ya see, it has to do with the copper. </p><p><br /></p><p>What color does copper turn when it corrodes ? Green. And if you burn vinyl, yeah it also puts off a green color. </p><p><br /></p><p>So, instead of a piece of copper wire use a piece of aluminum wire. Then if it&#039;s vinyl you&#039;ll see green and you&#039;ll know it&#039;s the plastic making the green color.</p><p><br /></p><p>But some plastics, and or other materials, can react with the copper when the plastic/material is burned and you&#039;ll see green - but it&#039;s the copper causing the green color - a false positive. But if use aluminum, with the same material - there is no green. Meaning that material does NOT contain PVC softening agents.[/QUOTE]</p><p><br /></p>

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