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<p>[QUOTE=&quot;GDJMSP, post: 4545981, member: 112&quot;]There are many plastics made of PVC and the PVC itself is not harmful to coins. The harmful element is a softening agent that is sometimes put into PVC to make it soft and flexible. When this softening agent is not put into PVC, then the PVC is strong and is very hard, stiff/rigid, and almost brittle at times. It&#039;s the soft PVC ya gotta worry about, not the hard PVC</p><p><br /></p><p>When people talk about PVC residue on coins, what they are really talking about is residue from the softening agent put into the PVC plastic to make it soft and pliable. Things like soft coin flips, the outer vinyl covers of albums, shower curtains - all these things are made of PVC and all of them have the softening agent in them. Over time that softening agent breaks down and as it breaks down it releases a gas as all things do when they decay. That gas then condenses once it&#039;s in the air and is deposited on the coins in a thick, viscous liquid form. It is that liquid that harms the coins.[/QUOTE]</p><p><br /></p>

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