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Sorry this may not belong here but was a hoot when I filmed it. The bucket had hardened spots of a setting material for ceramic tile remaining in it and someone had put a water and acid mix in it to try and clean the bucket. Then at some point a clad cent was dropped in .
Two things seem to have happened then. The acid leached out some of the polymer admix used in the setting material ( I'm no chemist, just a guess) and thickened the liquid in the bucket , and also ate a hole in the edge of the cents clad layer and started reacting with the core of the penny .
Here is a link to the Youtube
Two things seem to have happened then. The acid leached out some of the polymer admix used in the setting material ( I'm no chemist, just a guess) and thickened the liquid in the bucket , and also ate a hole in the edge of the cents clad layer and started reacting with the core of the penny .
Here is a link to the Youtube
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