Now society in constant development, the development of the industry is also increasingly fast, however, natural environment pollution is also more and more serious, people travel is now need to wear masks, especially in fall and winter, people wear masks is special, so some users will ask disposable surgical masks how dust, so small make up today to give the user a simple introduction, hope can help to you.
Surgical masks are mainly made of non-woven fabric, this kind of material is not need to be woven, there are some fiber bonding, and usually are made into two layer masks, three layer mask and layers of activated carbon masks, etc.
Surgical masks can effectively prevent the fine dust in the air, especially for 2.
5 micron, cut off dust efficiency is especially obvious, if the dust in lungs, which entered the body then can produce great harm to people's health.
Working principle of surgical masks is approved in dust gauze layers was cut off, the dust will be adsorbed on the gauze, so that fresh air enter the human respiratory system, so wear disposable surgical masks in haze weather or very be necessary.
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