Help With Difference Between 2x2s - Coin Community Forum

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Author	Replies: 5 / Views: 1,562
3_Cent_Silver Valued Member United States 111 Posts	Posted 12/01/2011 3:52 pm I was wondering if there is any way to tell the difference between Mylar and PVC 2x2s (when there is no label)? Thanks! Report this Post to the Staff

Secret Argent Man Valued Member United States 320 Posts	Posted 12/01/2011 4:24 pm I know there's the sniff-test, if it smells plasticky it is pvc...beyond that I don't "think" there is. I could be wrong though and would like to know myself. Report this Post to the Staff
biokemist6 Bedrock of the Community United States 12437 Posts	Posted 12/01/2011 4:24 pm Cardboard 2x2s do not contain PVC at all, are you talking about the clear pocket flips? Mylar flips are stiff and can crack if given a hard crease, PVC flips are very soft and flexible. Also, if your coins start turning green and slimy you know you have a PVC flip Report this Post to the Staff
3_Cent_Silver Valued Member United States 111 Posts	Posted 12/01/2011 4:51 pm Quote: Cardboard 2x2s do not contain PVC at all, are you talking about the clear pocket flips? biokemist6: No, I'm just talking about the cardboard 2x2s. I thought that maybe the clear plastic could contain some, but I sure hope not. Report this Post to the Staff
CaptainFwiffo Pillar of the Community United States 4132 Posts	Posted 12/01/2011 4:52 pm All cardboard 2x2s are either acetate or mylar (AKA boPET) AFAIK. I think most of the newer ones are Mylar. Both are safe. Mylar is less permeable for gasses, so is theoretically better. Report this Post to the Staff
3_Cent_Silver Valued Member United States 111 Posts	Posted 12/01/2011 5:50 pm Quote: I think most of the newer ones are Mylar. That's a relief, because I wasn't sure. Thanks everyone for the help! Report this Post to the Staff
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