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Do you really know KN95 mask? _ Ability

2022-10-20 05:38   Automobiles   Niamey   30 views

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Localité: Niamey
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Original title: Do you really know KN95 mask? Now, due to the outbreak of the novel coronavirus, masks have become a necessity for many people. Most consumers do not have a thorough understanding of the numerous masks on the market, but rush to buy them, especially the KN95 masks with less supply. Today, Xiaojin will give you a popular science about KN95 masks, hoping to bring you some reference and inspiration in choosing masks. One. What is KN95 mask? KN95 is a Chinese standard mask, which is a kind of mask with particulate matter filtrgh droplet transmission, N95 means that it can filter 95% of the particuve ability: KN95 mask > surgical mask > ordinary medical mask > civil protective mask > cotton mask II. Structure of KN95 respirator Medical masks and protective masks are non-woven materials, composed of oriented or random fibers,KN95 Face Mask with Five Layers, generally multi-layer structure, mainly composed of three layers, usually referred to as SMS structure (S stands for spunbond layer, M stands for meltblown layer). At present, the highest number of layers in China is 5 layers,KN95 Face Mask, namely SMMMS, while the KN95 mask with a very high level of protection is 5 layers, 2 layers of melt-blown fabric + 2 layers of non-woven fabric + 1 layer of hot air cotton, which can filter more than 95% of finarchers have done relevant research on the protective efficiency and wearing time of Ke application time of KN95 mask varies according to the environment. For example, in the case of direct contact with bacteria and viruses, it is generally applied for 6 to 8 hours, KN95 Mask with Fast Shipping ,3 Ply Disposable Protective Face Mask, not more than 8 hours. If used for general protection, the mask should be discarded when it comes into contact with blood or droplets, if it is damaged, and when the respiratory resistance increases. In the absence of the above, the general reference is to use tw5 masks. In the face of the epidemic, it is more important to protect oneself, reduce the risk of respiratory tract infection,Medical Full Body Coverall, and resist the epidemic with greater intensity. Although the price of KN95 mask is a little expensive, there is a reason why it is expensive. Five layers of filtration can be used repeatedly, which is the only reason to choose KN95 mask! Return to Sohu to see more Responsible Editor:. zjyuan-group.com

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