Sawdust
Sawdust is created by sawing, grinding, or sanding. It may be wood, metal,
mineral, composite, or ceramic.
Wood sawdust is the debris created by sawing, grinding, or sanding wood. It
is characterized by
particles consisting of multiple cell fragments or fragments of single cells
that are uniform in
thickness, retain typical birefringence, and are terminated by jagged breaks
across the longitudinal
axis of the cell. Many of these particles look like wood flour, a commercial
product used as a filler
in plastics, resins, and other matrices.
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