DESCRIPTION
It is not only suitable for the freeze-drying of conventional materials in bulk (liquid, paste, solid), but also for the drying of the bottled materials of vial. When preparing for lyophilization, the materials are dispensed into the vials as needed, and the caps are floated and frozen. Drying, after the end of drying, the capping device is pressed tightly to avoid secondary pollution, re-adsorb moisture, and easy to store for a long time.