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FUNDAMENTAL STUDIES OF THE DISPERSIBILITY OF POWDERED MATERIALS
GENERAL MILLS INC MINNEAPOLIS MINN
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Factors affecting the flow and dispersibility of organic powders in the 2 - 5 micron size range have been the subject of investigation of this study. The tests reported herein were conducted on samples of finely ground saccharin, Carbowax 6000 and Span 60 or on samples of these powders containing various additives. Several different types of tests were conducted including the following bulk tensile strength tests, shear strength tests, disc-lifting tests conducted under high vacuum conditions and under laboratory conditions to study effect of removal of adsorbed vapors and gases, tests to determine energy required to disperse an aerosol and electrostatic charge analysis. Author
APPROVED FOR PUBLIC RELEASE