The principle of surgical masks dustproof everyone know about it?
We all know that with the continuous development of science and technology, the natural environment is also more and more bad, a lot of places frequently haze weather, so when the people wearing masks, but now young people prefer to wear surgical masks, so the dust control principle of surgical masks everybody know? Well, here small make up will come under the simple introduction to the customers.
Generally speaking, in order to make a mask to produce effective protection to the body, so the mask of the specifications of the has certain requirements, it must cover the nose and mouth, make the person can breathe free, in general, adult size surgical masks to 18 * 9, and the size of the surgical masks to 15 * 9 children.
Surgical masks are produced by using non-woven fabric, this kind of material do not need to weave, is composed of some fiber bonding, often made into 2 layer masks, 3 layers and layers of activated carbon masks, etc.
Surgical masks can effectively prevent the fine dust in the air, especially in 2.
5 micron, cut off dust efficiency is especially obvious, because the particle size of dust can directly into the alveoli, the effects on the human body health.
Using the principle of surgical masks is when dust after gauze, passes through layers of block, and the dust will be adsorbed on the gauze, so that fresh air into the respiratory system.
Why surgical masks must reach the international standard?
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