Freeze Dryer For Freeze-dried Archaeological Items

Vacuum science and technology play an important role in the preservation of cultural relics. In particular, freeze-drying techniques are used to treat damp and decaying wooden artifacts and leather artifacts. A dedicated freeze dryer that is large enough to hold large objects (such as intact wooden drums or a large number of outer packagings).

In the aspect of dehydration of cultural relics, the use of freeze-drying method to remove water from saturated cultural relics is a relatively novel method. Compared with other physicochemical methods, this method can effectively eliminate the cracking phenomenon in the drying process, basically maintain the original appearance of the cultural relics; the processing time is greatly shortened; the treatment process is not limited by the environment and the season.

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