Product size may range from microns to tens of centimeters (in thickness).
Product porosity may range from 0 to 99.9%
Drying times range from 0.25 s (drying of tissue paper) to five months.
Production capacities may range from 0.1 kg/h to 100 tons/h.
Product speeds range from 0 (stationary) to 2,000 m/min (tissue paper).
Drying temperature ranges from below the triple point to above the critical point of the liquid.
Operating pressure may range from fraction of millibar to 25 atm.
Most used drying medium is hot air