大发麻将Add: #123, Lengshuipu Road, Yueyannglou District, Yueyang, Hunan, China
A lot of people will have such doubts, small make up for everyone to solve the non-woven mask can prevent the haze this problem! In winter, there are often cloudy days。 When you walk down the street, you will see everyone wearing masks。 As a result, masks have become the standard for smoke day travel。 So let's see。
Ordinary non-woven masks cannot be used to prevent smog. Under normal circumstances, the choice is to meet the standard anti-smog mask.
大发麻将General hospitals use disposable three-layer non-woven masks. Many people think that since it is used by hospitals, it can of course prevent PM2.5 and choose it. Whether it really works remains to be seen. If you want to buy an anti-smog mask quickly and easily, you should pay attention to this anti-smog mask selection tips!
M's two N95 masks, fortunately 1860 and 8210v。 I'm sure you're all familiar with the latest publicity。 The protection of N95 is also very reliable。 As a professional protective mask, blocking PM2。5 is certainly not a problem。 But there are still misconceptions。 What is N95? I don't know。 Choose a mask, not the higher the better! The higher the level, the greater the respiratory resistance and the more difficult it is to breathe。
N95 to 0.3 micron particles model.next above 95%, and for our daily protection PM2.5 or just for the R and P we use two is not very big, the next higher level, for people actually don't have to, and in view of the above criteria, you will find a general hospital with daily respirator surgical masks were filtered to PM2.5, but like sand screen mesh, filter out the most part through masks into our bodies. Because the mask aperture is too large, and PM2.5 particles are too small. Hospital masks are mainly used to resist bacteria and water droplets. Eliminate infectious diseases such as SARS and bird flu in daily medical treatment.
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