Recently, the virus has struck, and experts recommend wearing a mask when going out. Masks are divided into several categories, so what is the difference between the most common KN95 and N95 Masks?
KN95: According to our national norms and standards, masks can be divided into KN and KP according to their functions. KN is suitable for filtering non-oily particles, and KP is suitable for filtering oily particles. The following figure is the percentage of filtration efficiency. KN95 stipulates that the filtration efficiency for non-oily particles above 0.075 microns is greater than 95%.
N95: American NIOSH dust mask standard, detailed parameters are consistent with domestic KN95. In other words, KN95 and N95 just have different names, and the protection levels of masks produced according to these two standards are exactly the same. You can rest assured to buy any KN95 or N95 standard masks, there is no difference in protection effect.
According to expert recommendations, Medical Surgical Masks can also prevent the currently circulating XX virus. When there are few people, medical surgical masks can also be used as substitutes if KN95 masks are not bought.
Some KN95 Masks have cold-flow exhalation valves. According to expert recommendations, this device does not affect the efficiency of virus filtration. Friends can buy with confidence.
In addition to wearing a mask when going out, personal health should also be paid attention to. Lemonade and vitamin effervescent tablets can also be prepared. Studies have shown that a lack of vitamins in the body can cause a decrease in resistance.