KN95 and N95 Mask Basic
With the coronavirus paralyzing communities around the world and bringing public health to the forefront of people’s concerns, medical masks have never been so much in the news.
For weeks, we heard about n95 masks, the close-fitting respirators that medical professionals need to stay safe.
The first layer: spunbond cloth, filter the dust of micron
The second layer: to filter industrial pollutants, automobile exhaust, second-hand smoke pollen allergies
The third layer: activated carbon cloth, benzene and a smaller function of filtering dust microns
The fourth layer: filter density, smaller material
The fifth layer: Spunbond cloth, filter out all kinds of harmful substances;
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