KF94: Korean standard, the filtration rate for particles with an erage diameter of μm is greater than 94%.

According to the American standard, the diameter of the mask used to filter non-oily particles is above μm, and the filtration rate is greater than 95%.

Comparison: The two standards are different. The US data comes from the American Institute of Occupational Safety and Health, and the South Korean data comes from its Food Administration (MFDS).

The core problem of the KF94 data is prevention. Those who he checked the information know that the diameter of the poison. These masks can filter out the impurities of um at most, but the poison cannot exist in the air alone, but spreads on the droplets. The diameter of the droplets Obviously greater than, so as long as it can filter out droplets, it can basically prevent it, no matter whether it is kf94 or, it can be filtered out, so it can play a role in prevention. And leing the poison carrier, the survival time in the air is limited, and it is safer to wear a mask than without.

Although KF94 is slightly lower than N95 and KN95, it is also suitable for preventing droplet poisoning.

Related products: Exported to Korea KF94 disposable mask filter standard.

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