Various mask standards:
Medical masks must meet the national standard CNS14774 (T5017)
Anti-haze PM2.5 masks must pass the CNS15980 national standard
Are there barriers to mask selection? 7 major types of mask functions to help you organize
Medical mask: can filter virus droplet infection
Activated carbon mask: can not isolate virus droplets
N95 mask: can filter virus droplet infection
PM2.5 anti-haze mask: can not isolate virus droplets
Sponge mask: can not isolate virus droplets
Cotton masks: can not isolate virus droplets
Paper masks: unable to isolate virus droplets
