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<p>[QUOTE=&quot;GreatWalrus, post: 1363891, member: 35925&quot;]Yeah, mine are definitely polyethylene or polypropylene.&nbsp; </p><p><br /></p><p>Another neat test is to see to cut a bit of the film off and put it in water and see if it floats.&nbsp; If it floats, then it&#039;s either polyethylene or polypropylene.&nbsp; </p><p><br /></p><p>If it doesn&#039;t float, you can try burning it (but if it&#039;s PVC, beware of toxic fumes).&nbsp; If it doesn&#039;t drip when burned and has a green-outlined flame, it&#039;s probably PVC.</p><p><br /></p><p>Read more here:</p><p><a href="http://www.consultekusa.com/pdf/Tech Resources/New ID chart .pdf" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.consultekusa.com/pdf/Tech Resources/New ID chart .pdf" rel="nofollow">http://www.consultekusa.com/pdf/Tech Resources/New ID chart .pdf</a></p><p><br /></p><p>I destroyed two flips in the process of testing, but it&#039;s worth it to make sure.</p><p><br /></p><p><a href="http://www.consultekusa.com/pdf/Tech Resources/New ID chart .pdf" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.consultekusa.com/pdf/Tech Resources/New ID chart .pdf" rel="nofollow"></a>Also, that staple thing makes sense.&nbsp; Looks like I should go buy a new stapler.&nbsp; Thanks.[/QUOTE]</p><p><br /></p>

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