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<p>[QUOTE=&quot;Oldhoopster, post: 2821804, member: 84179&quot;]There are many different types of corrosion inhibitors.&nbsp; I don&#039;t think the mint or supplier is going to publish their process.&nbsp; Why tell others what may be a competitive advantage. </p><p><br /></p><p>It makes sense to use a corrosion inhibitor, and it probably took a lot of R&amp;D and experimentation to find one that meets the requirements for coinage.&nbsp; My guess is that it is used to keep the planchets from being damaged during transportation and storage prior to striking and not provide much protection post minting.&nbsp; I would expect that this wear off at some point early in circulation, if it even survives the minting process.</p><p><br /></p><p>I think the mystery molecule is going to remain a mystery unless someone who has worked in the metal industry and isn&#039;t bound by non-disclosure agreement is a member of CT.&nbsp; Until then, you&#039;re stuck with some educated guesses from people with chemical and manufacturing backgrounds that may have validity.&nbsp; The nice thing about this list is that there is enough background knowledge for members to challenge statements without resorting to a blanket &quot;That&#039;s BS&quot; statement. </p><p><br /></p><p>&nbsp;</p><p>I&#039;ve only been on this list since the beginning of the year but it&#039;s readily apparent which list members know something and which are full of................&nbsp; Maybe a better question should have been something like &quot;How do corrosion inhibitors work&quot; or &quot;Wouldn&#039;t they wear off in circulation&quot; rather than &quot;Prove it or it&#039;s BS&quot;[/QUOTE]</p><p><br /></p>

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