(MENAFN- GetNews) With the continuous development of society, air pollution has become more and more severe. There are often haze weather in many places, and people will wear masks when they appear. However, many users prefer disposable medical masks. Can disposable medical masks filter haze? The editor of disposable masks below will give a brief introduction to users.
With the continuous development of society, air pollution has become more and more severe. There are often haze weather in many places, and people will wear masks when they appear. However, many users prefer disposable medical masks. Can disposable medical masks filter haze? The editor of disposable masks below will give a brief introduction to users.
Disposable medical masks include ordinary medical masks, medical surgical masks and medical protective masks, among which medical protective masks have the highest protection level. It is made of 3 layers of materials, the inner layer is mostly non-woven fabric, the middle layer is ultra-fine polypropylene fiber meltblown material layer, and the outer layer is non-woven fabric or ultra-thin polypropylene meltblown material; The filtering effect of virus aerosol or harmful dust is remarkable, the blocking of non-oily particles in the air, and the filtering efficiency is ≧95%.
Although this mask has a good filterability, it can't filter completely. Because, the haze not only contains non-oily particulate matter, such as dust, acid mist, coal dust, cement dust, and microorganisms; it also contains oily particulate matter, such as oil fume, oil mist, asphalt fume, coke oven fume, and diesel engine exhaust. For oily particles and gaseous chemical substances, medical protective masks cannot completely filter out.
Medical protective masks are usually used in the healthcare environment and are not very suitable for ordinary people to wear in their daily lives. For example, N95 masks are usually used for occupational respiratory protection to block certain microbial particles, but because of their thick texture, they are not comfortable to wear.
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