KF94 mask is a standard made in Korea. KF94 mask For particles with a diameter of 0.4 μm, the filter rate of KF94 mask under this standard is greater than 94%.
KF94 mask is a standard formulated by Korean production. According to the data of the official website of the Korea Food and Drug Administration (MFDS), the filter rate of this standard for particles with a diameter of 0.4 μm is greater than 94%. In other words, KF94 standard masks can filter out at least 94% of particles with a diameter equal to 0.4 μm. Therefore, KF94 is similar to KN95 and N95 in that it is a mask category under a protection level, but the protection ability is different.
This standard can effectively block the common vector of viruses: droplets. The diameter of the droplets is generally between 1 and 4 μm. The filtering effect of the KF94 mask can prevent the droplets from directly contacting the human respiratory tract and prevent the invasion of viruses.
However, because KF94 is not aimed at medical standards, there is no relevant standard for bacterial filtration rate in the production process. In addition, the outer material is the same as the non-medical KN95 and N95 masks. The splash resistance is not as good as that of the medical masks. Once the droplets are contaminated, if the masks are not replaced for a long time, there is still a risk.
Therefore, KF94 can bear the role of personal protection when going out, but its effect is slightly inferior to KN95-level protective masks.
KF94 mask, the letter KF stands for Korean standard, the letter 94 stands for protection level, KF94 is not for medical standards, its effect is slightly worse than KN95 mask.
The order is FFP3 ﹥ FFP2 = N95 = KN95 = KF94. Masks cannot be worn blindly. They must be worn according to their protective properties. For example, to prevent new types of coronary pneumonia, ordinary people should choose medical surgery. N95 masks should be worn in dangerous places.
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