As temperatures continue to fall, the mask began to sell like hot cakes. But, in the face of colorful and multifarious mask, you know how to choose? Experts tell us --

Based on the use of the selected respirator

China antibacterial association secretary general ZhangYingZeng

Sources: health

        Mask as a kind of protective equipment, more and more get people's attention. Especially when the air pollution is serious, a lot of people go out to the mask. At this point, the mask in addition to warm outside, its main function is to protective bacteria, viruses, stop to PM2.5 as a representative of fine particles. At present, China's market is a lot of more phyletic, mask has the chemical preparation, heat preservation, sports and so on the different types of mask, can generally be divided into 5 kinds, people can choose according to their own use different types of mask.

        Surgical mask material itself to bacteria, viruses no protective effect, the main purpose is isolation between patient and physician droplet transmission, no protection PM2.5 role.

        N95 respirator materials mainly is upset non-woven fabrics, mainly for industrial dust, no antimicrobial effect. Because of the air isolation effect is good, also have blocking bacteria and fine particulate effect, but with poor permeability.

        Fashion mask main material for non-woven fabrics and heat preservation cotton, but the heat preservation effect, can't stop bacteria, virus and particulates.

        Activated carbon mask can effectively block the air benzene, formaldehyde, peculiar smell, the stench and other harmful gases, but for fine particles don't get effective barrier effect, can't stop of PM2.5 particles. Due to the activated charcoal itself is also a kind of grain, is likely to be the wearer suction, to suffer from chronic respiratory disease or for more, but this is a kind of harm. Usually activated carbon mask is mainly used for living room room decoration, peculiar smell deodorant, etc.

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