1, implementation varies from country to country. KN95 mask is China's statement, KN95 grade is China's standard, while N95 mask is American statement, and N95 grade is American standard;
2. Different embodiments. KN95 respirator shall be in accordance with the grade specified in GB2626-2006, and N95 respirator shall be in accordance with the grade specified in 42CFR84.
The names of KN95 and N95 masks are different, but the technical requirements and test methods of the two levels are basically the same, but the national standards are the same, and the protection levels of the two masks are the same.
Medical N95 mask is the certification grade of American mask standard, which can filter out 95% of particles under the same air flow. Medical KN95 belongs to the certification level of mask standard in China, that is, it can filter 95% particles under a certain air volume.
The standards of the two are the same, and the effect of virus protection is also the same, so there is no better statement about medical n95 or kn95 masks.
Wearing a mask can play a very good role in respiratory prevention, isolate germs and prevent respiratory infectious diseases, including common cold, flu, pneumonia, tuberculosis and novel coronavirus.
The main transmission route of these diseases is through droplets. For example, when talking loudly, sneezing, coughing or spitting, some pathogens will run into the air and spread to others through droplets. Wearing a mask can play a very good role in preventing respiratory tract and isolating germs.
It is suggested that people buy masks through formal channels and replace them in time to prevent allergic reactions on the skin, ensure the virus protection ability of masks, wash their hands before wearing them and keep them clean.