Masks generally have the function of dust prevention, but the quality of the mask determines the dust prevention ability. When purchasing non-disposable masks, do not buy masks that are useless just for the sake of appearance. Many masks are just for show but do not have a good dust-proof effect. If it is a disposable mask, you can usually buy it at a pharmacy. Next, let’s learn about the knowledge that needs to be solved when choosing masks! Methods/Steps When choosing protective masks, some people's jobs require them to work outdoors temporarily, such as traffic police, cleaners, etc. You can use a cotton mask at ordinary times. If the air pollution is serious, you should wear a PM2.5 mask, such as an N95 mask. If you are only outdoors on your way to and from get off work, you should choose a KN90 mask to protect yourself from air pollution. It can capture about 90% of particles below PM2.5 without having much impact on your breathing. The effects are also different. Medical protective masks are a type of tight-fitting, self-priming, filtering protective mask. There are many types of masks. It is used to prevent diseases and can play a role in preventing influenza A. Ordinary gauze masks are just a kind of health care product. They have a certain effect on filtering dust, microorganisms, etc. in the air, but the effect is average. Ordinary civilian masks are generally used for warmth and are made of different materials and specifications, so they cannot be used to prevent diseases. N95 masks are relatively high-performance masks that can isolate bacteria, filter viruses, and can be used to prevent air pollution. When choosing a mask, choose the type according to its purpose. The higher the protection level, the higher the specifications of the mask. There will also be greater resistance to normal breathing. When choosing a mask, you should not only look at its specifications but also consider whether it is comfortable to wear. When used to prevent air pollution, KN90 masks are generally chosen, which can filter 90% of particles below PM2.5 and will not affect breathing too much. The above is some relevant knowledge about masks with better dust prevention effect. If you have asthma, it is not recommended to wear a mask, especially a mask with relatively large resistance. If you feel difficulty breathing or physical discomfort while wearing a mask, you should stop using it immediately. It may be that the mask is used improperly, worn improperly, or there is a problem with the quality of the mask itself. |
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