n95 mask and kf94 mask comparison report
1.n95mask
the rate of block redpiratory of viruses between 0.02 and 0.2 um is not less than 9.5%
it is health mask that has no resistanse to palticles of oil and filters out more than 95 perecent of fine particles in the air to prevent respiratory penetration of viruses between 0.02um and 0.2um in diameter.
the n95 mask has ahigh virus blocking rate of 95%.but it is known to iinterfere with normal breathing.
(sorce)(PMG knowledge engine reseach institute,seoul national university hospital medecal information, seoul national university hospital)
2kf mask
the mask,which been approved by the ministry of food and drug safety,
blocks 94 percent of fine dust particles wih an average size of 0.4um.
yellow dust,fine dust,and infectious diseases can be prevernted.howerver,the hogher the blocking
rate,the harder it is to breathe , so the elderly and children should choose a mask that matches their breathing capacity.
3.conclusion
n95 is a 95% blocking ask certified by the institute for industrial safety and healthe in the united states by inter national standaeds.
kf94 is a korean standaed, certified by the ministry of food and drug sefety and has 94% blocking effect .
virus particles are so small that its impotant to wear a mask that hasu a good blocking rate.
of course the number after english, the higher the efeet of blocking it, but the
disadvantage it that it ccan be hard to breathe.
if you have a respiratory desease,
it may be hard to breathe, so please be careful.