How to preserve electret meltblown nonwoven fabric?

May 24, 2023
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PP meltblown electret material has good charge storage stability, but when the product is in a high humidity environment, due to the polar groups in the water molecules, the atmosphere of the opposite particles on the fiber charge compensation effect, resulting in a large amount of charge loss. The charge drops as humidity increases, and faster and faster.


Therefore, in the process of transportation and storage, meltblown cloth must be moisture-proof preservation, avoid contact with high humidity environment, or timely bought melt-blown cloth, poor preservation, the mask is difficult to reach the standard, which is one of the reasons why many manufacturers clearly made cloth detection is up to the standard, after a  period of time and unqualified.



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