... lines of medicine , chemical , foodstuff, and electronics. Main UsageSuitable to the materials-drying for the ... chemical , foodstuff, and electronics.Specialty 1 Under constant temperature if the vacuity of drum is improved ,the drying ... , which is the normal drying facility ,If Model JZJS-70 liquid loop pump vacuum unit is Used ... inside box (Pa)1330(10mmHg) Model JB Cylinder,Square Vacuum Dryer