Microporous filter material kn95 mask filter membrane

The kn95 mask filter membrane adopts a special processing technology and is a microporous film made by calendering, extrusion, and biaxial stretching.

This kind of membrane has excellent breathability, corrosion resistance, aging resistance, high temperature resistance and other properties.

Three-dimensional mesh structure, no through holes.

The porosity and pore size distribution are important indicators for measuring films.

The respiratory impedance of the filter membrane of the kn95 mask is only 60-70pa, while the ordinary melt-blown non-woven mask is as high as 120-250pa. In comparison, the breathability of the film mask is already very good, but it certainly cannot be compared to not wearing a mask. Compare.

The wearing comfort of a polytetrafluoroethylene film mask is mainly determined by the air permeability and moisture permeability of the mask.

Thin film masks have higher air permeability due to their material characteristics of high uniform distribution of holes; coupled with the moisture-proof and moisture-permeable characteristics of film materials, they can give users a more comfortable breathing experience.

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