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"Protective mask" fits well with the wearer's face, can filter particles in the air, and block pollutants such as droplets, blood, body fluids and secretions. , The filtration efficiency of non-oily particles can reach more than 95% (this sentence means that it can reach the N95 level, which is a personal protective equipment commonly used to deal with airborne diseases. Common protective masks include arched butterflies. At present, domestic masks are mainly divided into three Category: protective masks, surgical masks commonly used in invasive surgery environments such as operating rooms, and ordinary disposable masks. What kind of masks are there?

Medical protective masks Medical protective masks belong to the N95 mask protection level. They he a good fit with the wearer's face, can filter particles in the air, and block droplets, blood, body fluids, secretions and other pollutants. And the filtration efficiency of non-oily particles exceeds 95%. It is a commonly used protective equipment to deal with airborne diseases.

Faced with turbulent new models, wearing a mask when going out is an ideal personal protection measure. At the beginning of the epidemic, wearing medical surgical masks and N95 protective masks advocated by our beloved Academician Zhong Nanshan was deeply rooted in the hearts of the people. However, it was soon discovered that these masks were basically out of stock and in the replenishment stage, which made everyone feel at a loss. Interested netizens found another Korean mask, the standard is KF94. See if this KF94 can meet everyone's needs. As we all know, KN95 is the standard for protective masks in my country, which means that non-oily particles with a diameter of 0.3μm filter more than 95%. KF94 mask is a standard made in Korea. According to data from the official website of the Korean Food and Drug Administration (MFDS), the filtering rate of masks for particles with a diameter of 0.4 μm under this standard is greater than 94%. In other words, the KF94 standard mask can filter out at least 94% of particles with a diameter equal to 0.4μm. Therefore, KF94 is similar to KN95 and N95. It is a mask under the same protection level, but its protection capabilities are different.