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Abstract

A technique has been devised that predicts the respirable-dust-releasing tendency of cotton fibers. The method is based on the carding of a 70-g fiber sample over an 8-min time period using a small version of the standard cotton card. The dust particles released, with diameters up to approximately 10 μm, are measured by the TSI Respirable Aerosol Mass Monitor or other suitable measuring in strument. This procedure has been found useful in evaluating a wide range of variables having an effect on cotton dust levels. Factors such as surface-additive dust suppressants and their ageing properties, washing of cotton, mechanical cleaning devices, and fiber blend levels, among others, have been examined and are discussed. A correspondence has been noted with results obtained using this technique and those obtained with the vertical elutriator.

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References

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Technique for Predicting Dust Release from Cotton Fibers1

Abstract

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