More information about KF94:

1.Breaking strength of strap at the joint point of each mask strap and mask body,N: 10

2.Particle Bacterial filtration efficiency,%: ≥98

3.Bacterial filtration efficiency, %: ≥98

4.The breathing resistance of the filter of the particle filtering(Inhalation),95 /min: 2.4

5.The breathing resistance of the filter of the particle filtering(Exhalation),160 l/min: 3.0

6.Penetration of filter material,Maximum penetration of test aerosol,95 l/min% max: ≤6

7.Microbial cleanliness(cfu/g): ≤30