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vacuum freeze dryer news
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Principle of vacuum freeze-drying
1. Definition and advantages of vacuum freeze-drying The product is completely frozen and the ice crystals are sublimated under certain vacuum conditions, thus achieving the purpose of low-temperature dehydration. This process is called freeze-drying The freeze-dried solid material exhibits a porous structure due to the sublimation of tiny ice crystals and maintains its original frozen volume. Upon addition of water, it easily dissolves and reverts to its original state.
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