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AATCC 170 2011 Edition, January 1, 2011
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Dusting Propensity of Powder Dyes: Evaluation of
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Purpose and Scope 

This test method provides a standard method for the evaluation of dusting properties of powder dyes.

The method of assessment permits the assignment of a numerical rating describing the degree of dusting; or, conversely, the degree of non-dusting of powder dyes.

This test method is not intended for a quantitative determination of dusting. Water soluble dyes may give an inferior rating than an equal amount of dusting caused by disperse dyes. Further studies indicated that not all factors; i.e., humidity, are fully controlled. Also the method does not distinguish between slow and fast settling dust.