... of medicine , chemical , foodstuff, and electronics.Specialty 1 Under constant temperature if the vacuity of drum is improved ,the drying speed ... can be shortened.2 Under constant vacuity if the heating temperature is elevated ,it can accelerate the drying speed ... of dry tray4243232Use press.inside of pipe (Mpa)≤0.784Use temperature of rack ()-35150No load vacuum inside box (Pa)1330( ...