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Which is better, kn95 mask or n95 mask?

by:Copper Plus     2021-06-04
Which is better, kn95 mask or n95 mask? The difference between kn95 mask and n95 is that kn95 is a domestic production standard, while n95 is the American NIOSH standard. N95 masks and KN95 masks are basically the same in protection standards, and there is no big difference in protection effects. N95 masks are one of the nine types of particulate protective masks certified by NIOSH, while KN95 masks are a type of masks produced according to domestic production standards. They all indicate that the filtration efficiency of non-oily particulates in the air can reach more than 95%.   So choosing kn95 copper mask or n95 copper mask depends on personal choice. Kn95 mask manufacturers    wear kn95-level masks to achieve a filtration efficiency of more than 95% for particles with aerodynamic diameter ≥ 0.3 µm. The aerodynamic diameter of air bacteria and fungal spores mainly varies between 0.7-10 µm, which is also within the protection range. Therefore, this type of mask can be used for respiratory protection of certain particulate matter, such as dust generated during grinding, cleaning and processing of minerals, flour and certain other materials, and also suitable for liquid or non-oily non-oil generated by spraying. Particulate matter of harmful volatile gas. Kn95 masks can effectively filter and purify the inhaled abnormal odors (except toxic gases), and help reduce the exposure level of certain inhalable microbial particles (such as mold, anthracis, tuberculosis, etc.), but it cannot eliminate contact infections and illness And other risks.  N95 and above masks can theoretically be used for 1 to 2 days, but in general, disposable kn95 masks cannot be used for more than 4 hours.  N95 masks are tightly protected, but there will be a noticeable sense of stuffiness after wearing them for a long time. When wearing an N95 mask, the time cannot exceed 4 hours at a time. If the N95 mask is used continuously for a long time, it will cause lung damage and may cause problems such as emphysema. At the same time, it should be noted that the disposable kn95 mask should not be worn again after it is removed. The correct use of kn95 masks is as follows:   1. Hold the protective mask with one hand, and the side with the nose clip should face outward;   2. Cover the nose, mouth and chin with the protective mask, and the nose clip should be close to the face;   3. Use another Pull the lower strap over the top of the head with one hand and place it under the ears behind the neck;   4. Pull the upper strap to the middle of the head;   5. Put the tips of your fingers on the metal nose clip, starting from the middle position, use Press the nose clip inward with your finger, and move and press it to both sides to shape the nose clip according to the shape of the bridge of the nose.   Note: It is not advisable to touch the inside of the mask with your hands during the wearing process, so as to prevent bacteria and other microorganisms from remaining on the copper mask and affecting your health. 348
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