The new crown epidemic has not been completely controlled, and masks are still a necessity in people's daily lives, so KN95 Masks still have a large market. How to choose the right KN95 Mask?How to produce the KN95 Mask?What is the difference between KN95 Mask and N95 mask? How to choose the right

For influenza protection, tuberculosis protection, and plague protection, the World Health Organization recommends wearing masks of N95 and similar protection levels or above. KN95 masks are equivalent to N95 grade masks, so they can completely prevent viruses.

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.

The face mask has a certain filter effect on the air entering the lungs. If infectious diseases of the respiratory tract are widespread and work in dust and other polluted environments, wearing the mask has a very good effect.What role do different types of face masks play?How do you recognize the d