Difference between medical N95 mask and kn95 mask

Difference and use of medical mask, N95 and kn95 mask

Some materials should meet or be higher than the following standards: 1. Medical protective masks: in line with China GB 19083-2010; 2. N95 mask: NIOSH certification, filtration efficiency of non oily particles ≥ 95%; 3. European N95 mask: European FFP2 standard; 4. Kn95 mask: it meets the mandatory standard of GB 2626, and the filtration efficiency of non oily particles is more than 95%.

Medical staff must use medical protective masks under the following circumstances: 1. Close contact with infected patients; 2. Carry out operations that may produce aerosol, such as sputum suction, intubation, etc; 3. Possible operation of body fluid splashing.

In other cases, you can wear N95 or kn95 masks. The key to wear masks is to close to the face. Do not use protective masks with respirators. As for surgical masks, they conform to yy0469-2011 medical surgical masks.

As for the specific use of masks, the notice on printing and distributing the guidelines for the protection of people at different risk of infection and the guidelines for the use of pneumonia masks issued by the Bureau of disease control and prevention of the National Health Commission on January 31 mentioned that kn95 / N95 and above particle protective masks: the protective effect is better than medical surgical masks and disposable medical masks, and it is recommended to conduct on-site investigation It can be used by sampling and testing personnel, and can also be worn by the public in highly crowded places or closed public places.

The specific scenes of wearing kn95 / N95 and above particulate matter respirators include: in crowded public transport places and in vehicles; Do not touch or adjust the mask when entering the living space of the isolation personnel at home; When investigating suspected and confirmed cases; For environmental cleaning and disinfection personnel, body treatment personnel.

In addition, for the public transport drivers, taxi drivers, public places service personnel, armed police, traffic police, security personnel, media reporters, express personnel and other industry personnel, due to the large number of daily contact personnel, there is a risk of infection, their units should be equipped with disposable medical masks or surgical masks or kn95 / N95 and above particle protective masks.