Significance
When a powder reacts chemically with a liquid or gas at the surface of its particles, the specific surface is directly related to its rate of reaction. The measurement is therefore important in the manufacture of many processed materials. It is universally used in the cement industry as a gauge of product fineness which is directly related to such properties as speed of setting and rate of strength development.
Read more about this topic: Air Permeability Specific Surface
Famous quotes containing the word significance:
“Of what significance the light of day, if it is not the reflection of an inward dawn?—to what purpose is the veil of night withdrawn, if the morning reveals nothing to the soul? It is merely garish and glaring.”
—Henry David Thoreau (1817–1862)