Ordinary masks masks and prevent mist haze what's different?
Masks everyone is familiar with, but for the types of masks you know is not much, smog masks and ordinary masks, what's different about this you should be more don't know, disposable masks small make up today to give users a simple introduce common masks and prevent mist haze masks what's different.
The most common gauze masks protective effect of particulates in the air is the worst.
Ordinary gauze masks masks is fiber, its principle of choke is a mechanical block, through this layer mechanical block, can block large particles, but cannot stop diameter less than 5 micron particles.
Medical surgical masks and medical disposable masks can stop diameter greater than 4 micron particles, in the hospital environment masks conurbation lab for the test results show that, in accordance with the general standard of medicine, to 0.
3 micron particles, medical surgical masks transmittance is 18.
3%, the average disposable surgical masks for 85.
6%, which indicates that surgical masks to tiny particles blocking effect is limited.
The haze of masks used air filtration material technology, 0.
25 micron level, can prevent viruses.
Masks filter dust granule activated carbon was added, among the traditional activated carbon fibers mask is on the filter fiber wipe on a layer of charcoal powder, fiber cloth is part of the fine carbon powder particles, for users of suffering from lung disease has certain effect.
And through fine processing of granular activated carbon can not only deep purification dust, also can absorb toxic gas, further improve the safety of the masks.
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