Kn95 respirator is based on the Chinese standard GB 2626-2006 respiratory protective equipment self suction filter type particle respirator. According to the filtration performance, the filter elements are divided into kn and KP. Kn is suitable for filtering non oil particles, and KP is suitable for filtering oil and non oil particles. According to the …
1.Before putting on a mask, wash hands with alcohol-based hand rub or soap and water. 2.Cover mouth and nose with mask and make sure there are no gaps between your face and the mask Avoid touching the mask while using it; if you do, clean your hands with alcohol-based hand rub or soap and water. 3.Replace …
Medical masks and protective masks are made of non-woven materials, which are made of directional or random fibers. They are generally of multi-layer structure, usually referred to as SMS structure (2-layer s and 1-layer m). At present, the highest number of layers in China is 5, namely smmms (2-layer s and 3-layer m). S refers …
Before that, we should first distinguish a very important concept, that is, “civil mask” and “medical mask”. There are many standards, but the most important difference is that: Civil masks generally emphasize “particulate matter” filtration efficiency, while medical masks generally emphasize “bacterial filtration efficiency”. Please note that these two terms are often mentioned below. Kn95 …