Message:

<p>[QUOTE=&quot;ToughCOINS, post: 3074505, member: 20480&quot;]The coefficient of thermal expansion is far greater for silver than for any polymer that I know of.&nbsp; The coins will shrink more in the freezer than the tube will.&nbsp; If heated instead, the coins will expand more than the tube, making coin Blazers problem even worse.[/QUOTE]</p><p><br /></p>

Your name or email address:

Do you already have an account?

• No, create an account now.
• Yes, my password is:
• Forgot your password?

Stay logged in