Factors influencing the production of dust during the sanding of wood

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Woods of a variety of types have been subjected to a standardized simulation of sanding as a test of dustiness. The harder woods give rise to finer dust, and at a lower rate, but the mass of dust produced for unit mass of wood removed is relatively constant. Coarse sandpaper, however, removes significantly more wood than fine, but with the same rate of production of airborne dust.