To say which 3m mask is good , there is no way to give a clear answer, because different models have different functions, suitable for different occasions and environments. If you ask which mask is good for fogging, 3m dust mask is the best choice. So, which 3m mask can be used to block smog pollution? The main object of the 3m protective mask is particulate matter. The protective mask forms a space sealed with the face by covering the mouth, nose and chin of the person, and inhales the air to force the filtered air to pass through the filter. The mask body is usually made of anti-particulate filter material, fixed by headband or ear strap. The seal on the face and nose is usually helped by metal nose clips, but it is also realized by other methods, and some are also in the nose clip of the mask. Add a gasket. Since the mask has no replaceable parts, it needs to be completely discarded after failure, also called a disposable mask, or a maintenance-free mask. Which is better for the anti-fog 3m mask ? 3M masks are commonly used in KR and KN series: KR series can filter oily particles, KN ​​series mainly filter non-oily particles, can not filter oily particles. Filtration index: 95 series capable of filtering 95% of the particles and 90 series for filtering 90% of the particles. For example, the N95 mask refers to the KN series, and the filtration index is 95%. Some mask models contain activated carbon (the color is usually gray), and the purpose of activated carbon is to filter the bad smell. Therefore, the anti-fog selection 95 series is better, after all, the filtration index is higher. As for the 3m mask , it is necessary to look at the use environment, because there are many types of 3m masks, and the styles of different environments are different. Therefore, if there is no setting occasion and function, the answer cannot be known. If you have a specific limit, it will be easier to pick.
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Which is better for anti-fog 3m masks?