Kodi pali kusiyana pakati pa masks a N95 ndi masks a KN95?

Chithunzi chosavuta kumvachi chikufotokozera kusiyana pakati pa masks a N95 ndi KN95.Masks a N95 ndi miyezo yaku America ya chigoba;KN95 ndi miyezo ya chigoba cha China.Ngakhale pali kusiyana kwakukulu pakati pa masks awiriwa, masks awiriwa ndi ofanana mu ntchito zomwe anthu ambiri amasamala nazo.

Wopanga mask 3M adati, "Pali chifukwa chokhulupirira kuti" KN95 yaku China "ndi yofanana" ndi N95 ya United States.Miyezo ya chigoba ku Europe (FFP2), Australia (P2), South Korea (KMOEL) ndi Japan (DS) nawonso ndi ofanana kwambiri.

Zomwe N95 ndi KN95 zikufanana

Masks onsewa amatha kujambula 95% ya tinthu tating'onoting'ono.Pa chizindikiro ichi, masks a N95 ndi KN95 ndi ofanana.

Chifukwa miyezo ina yoyesera imanena kuti masks a N95 ndi KN95 amatha kusefa 95% ya tinthu tating'onoting'ono ta 0.3 microns kapena kupitilira apo, anthu ambiri anganene kuti atha kusefa 95% ya tinthu tating'ono ta 0.3 kapena kupitilira apo.Amaganiza kuti masks sangathe kusefa tinthu tating'onoting'ono topitilira 0,3 microns.Mwachitsanzo, ichi ndi chithunzi cha South China Morning Post.Ananenanso kuti "Masks a N95 amatha kulepheretsa ovala kutulutsa tinthu tating'onoting'ono tokulirapo kuposa ma microns 0.3."

Komabe, masks amatha kugwira tinthu tating'onoting'ono kuposa momwe anthu ambiri amaganizira.Malinga ndi chidziwitso champhamvu, zitha kuwoneka kuti masks ndiwothandiza kwambiri pakusefa tinthu tating'onoting'ono.

Kusiyana pakati pa masks a N95 ndi KN95

Miyezo yonseyi imafuna kuti chigoba chiyesedwe kuti chisefedwe pogwira tinthu ta mchere (NaCl), zonse pamlingo wa malita 85 pamphindi.Komabe, pali kusiyana pakati pa N95 ndi KN95, apa kuti mutsindike.

Kusiyanaku si kwakukulu, ndipo palibe kusiyana kwakukulu kwa anthu omwe amagwiritsa ntchito masks.Komabe, pali kusiyana kwakukulu:

1. Ngati wopanga akufuna kupeza muyezo wa KN95, ndikofunikira kuyesa kusindikiza chigoba kwa munthu weniweni, ndipo kuchuluka kwa kutayikira (peresenti ya tinthu tating'onoting'ono totuluka m'mbali mwa chigoba) iyenera kukhala ≤8%.Masks wamba a N95 safuna kuyezetsa chisindikizo.(Kumbukirani: Ichi ndi chofunikira m'dziko lonse pazamalonda. Makampani ambiri ogulitsa mafakitale ndi zipatala amafunikira antchito awo kuti ayese mayeso.)

2. Masks a N95 amakhala ndi kutsika kwamphamvu kofunikira pakukoka mpweya.Izi zikutanthauza kuti ayenera kukhala okhoza kupuma.

3. Masks a N95 alinso ndi zofunikira zolimba pang'ono pakutsika kwamphamvu pakupuma mpweya, zomwe zimathandizira kupumira kwa chigoba.

Chidule: Kusiyana pakati pa masks a N95 ndi KN95

Chidule cha nkhaniyi: Ngakhale masks a KN95 okha ndi omwe amafunikira kuyesa chisindikizo, masks onse a N95 ndi masks a KN95 amavomerezedwa kusefa 95% ya tinthu tating'onoting'ono.Kuphatikiza apo, masks a N95 ali ndi zofunika kwambiri pakupuma.