Portion of the shoulder of the characteristic curve where further increases in exposure on negative film or decreases in exposure on reversal film will produce no increase in density.
The maximum density that could be achieved in a sample of asphalt if it were possible to compact it so as to exclude all air voids between coated aggregate particles (also know as void-free density)
The measurement of the blackest or darkest area of an image on film; that is, the area with the maximum ability to stop light.
The maximum density of a substance is the highest attainable density of the substance under given conditions.