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Why can't medical non -woven fabrics use it?

Internal micro -performance changes after killing virus

The main material of medical non -woven fabrics is polypropylene. It is processed through multiple processes through a melting and spinning process. The micro -structure is fine plastic fiber. The contraction after high temperature is the characteristics of plastic items. There is no high temperature -resistant plastic, and high temperature resistance is also a relative concept. Therefore, it will also have a corresponding contraction response in the micro.

Sterile barrier performance is lost after use

According to research, the preservation period of sterile items is closely related to the thickness of non -woven fabrics and the number of cloth layers. Lost fungal resistance. The requirements for packaging materials for the "Snotenians" are: During the storage process, a bacterial barrier is provided to maintain a sterile state. If a disposable packaging material packaging equipment is reused, the storage after sterilization cannot achieve a safe period of safety.

After high temperature sterilization, the non -woven fine plastic fiber will shrink to a certain extent. It is manifested in the use of non -woven fabrics after sterilization than before sterilization, and the flexibility decreases. The change of non -woven packaging materials is one of the reasons why non -woven fabrics can only be used once.

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