20 micron aluminum powder. | |||
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20 micron aluminum powder. This is a very fine powder of aluminum which I purchased 5 pounds of for doing thermite experiments in preparation for a Popular Science column article that may or may not ever happen. Source: eBay seller henderko Contributor: Theodore Gray Acquired: 29 May, 2003 Price: $12/pound Size: 5" Purity: >99% Sample Group: Powders | |||
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