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<p>[QUOTE=&quot;Marshall, post: 1105253, member: 21705&quot;]A little Chemistry is in order.</p><p><br /></p><p>When a melting point is given such as 787 degrees Fahrenheit, it is actually assuming standard pressure of about 30 lbs./sq.In. The process of spooning or bending a wire back and forth to &#039;break&#039; it actually uses pressure and friction to both raise the temperature (by friction) and lowering the melting point due to higher pressure. This is important to the coining process since this combination is what actually produces the images on all our coins as the metal planchets under pressure FLOW into the dies.</p><p><br /></p><p>The commercial dryers would not be hot enough unless there was some mechanical application of force and pressure. There is in the tumbling mechanism where most of these coins gravitate.</p><p><br /></p><p>Also, the property of metal that makes them so useful is the property of reaching a point of malleability well below that of the traditional melting point. You see it in iron works at a blacksmiths shop. The Iron is moldable when it is glowing red, but not yet fluid which defines the maelting point.</p><p><br /></p><p>It is also the counter argument for those who think they have made some point about the collapse of the twin towers when they insist on using melting points well above the point at which structural integrity&nbsp; is compromised.[/QUOTE]</p><p><br /></p>

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