Everyone now has a mask, but do you know what details you need to pay attention to when wearing a mask? Different masks may be worn in different ways

The filter performance of the mask is mainly determined by the filter material of the middle layer. The currently commonly used filter material is a meltblown non-woven fabric made of polypropylene ultrafine fibers. It is light and thin, has good air permeability, and can efficiently filter particulates. The thicker the filter material is, the better. Meltblown non-woven fabrics produced by different manufacturers vary greatly in performance, and the specific performance needs to be measured by professional equipment. Masks can only have good filtration efficiency if they contain this filter material. If they are only ordinary needle-punched non-woven fabrics and spunlace non-woven fabrics, without melt-blown non-woven fabrics, good filtering effects cannot be achieved.

In addition to good filter materials, protective masks should also have good shape design and nose clip design. The better the mask fits the wearer's face, the better the protective effect, which can prevent pollutants from entering the mouth and nose from the edges of the mask, especially the gaps on both sides of the nose. So when wearing a mask, the nose clip on the bridge of the nose should be pressed tightly. The length of the mask belt should be adjusted. The section is suitable, so that the mask fits the face as much as possible.

When wearing medical masks, you should choose the appropriate level type according to the type of pollutant transmission and risk, not too high or too low. Medical protective masks with high protection levels have better protective effects, but due to the high level of filter material, good adhesion, and higher respiratory resistance, wearing them for a long time will increase the respiratory burden and cause breathing difficulties and other discomforts. Medical surgical masks and medical protective masks can block the pollution caused by blood and body fluid splashes, but if you really need to block the pollution of particulates and pathogenic microorganisms in the air, please choose to wear medical protective masks.

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