Powder and Bulk Engineering
Tuesday, September 02, 2014
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Powder and Bulk Engineering is a technical publication devoted to readers in the bulk solids market, worldwide.
Custom Processors
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Publication Date: 06/2006
Pages: 4
PDF Format
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Fine particles with no processing headaches

A company uses jet mills and air classifiers to size-reduce customers’ abrasive, friable, and temperature-sensitive materials to ultrafine particles with narrow size distributions.

If you live in the US, take out your wallet and pull out one of the recently redesigned 10- or 20-dollar bills. Hold it up to the light and move it around a bit. Notice how the color changes as you move the bill? When the US government began redesigning its paper currency a few years ago, it decided to combat ever-more-sophisticated counterfeiting methods by building in more safeguards. One of these is a color-changing ink, which is made possible by the ink’s precise particle sizes. Some of those particles on your bill may well have been produced by CCE Technologies, Cottage Grove, Minn.

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