The KN95 mask meets the highest standards for medical masks in the United States, has good filtration, and is not only anti-particulate but also anti-droplet. The filtration efficiency of particles as small as 0.1 microns is 99.8%, and the filtration efficiency of bacterial or viral vectors (common Read More

Besides the filtering efficiency of the KN95 mask, the density of the mask and face is one of the important factors determining the effect of the mask. Different types of masks have great differences in the suitability for the human face. Therefore, when using KN95 masks, the suitability of the masks should first be tested. When testing the face of the wearer for density, it shall be ensured that the air can enter and exit through the mask when it is close to the face edge. Let us read the following words and get more information about the KN95 mask. Read More

According to professionals, KN95 masks are masks with filtration efficiency (greater than or equal to 95%) for particulate matter in China, and N95 masks are tested (standard) in the United States, but the code names are different. Also, from a particulate filtration perspective, the effect is practically the same. Read More

As the new coronary epidemic is not yet completely under control, people still need masks in their daily lives. The mask market is still hot and the face mask is also short.What are the contraindications when using face masks?What are the types of face masks classified by wearing method?When do I ne Read More