Dab tsi yog qhov txawv ntawm kn95 thiab n95 daim npog ntsej muag

1. KN95 daim npog qhov ncauj yog ib lub npog ntsej muag ua raws li tus qauv GB2626 ntawm Tuam Tshoj.

2. N95 daim npog qhov ncauj tau ntawv pov thawj los ntawm American NIOSH, thiab tus qauv yog tsis muaj roj feem ntau pom efficiency ≥ 95%.

3. KN95 thiab N95 qhov ncauj qhov ntswg yuav tsum hnav kom raug.

4. Yog tias KN95 lossis N95 daim npog ntsej muag nquag siv, ib qho tuaj yeem hloov tau hauv 4 teev.

5. Cov xwm txheej tshwj xeeb yuav tsum tau hloov raws sijhawm.