Filtration efficiency is generally divided into three types, for example
Filtration efficiency is generally divided into three types, for example:
(1) BFE refers to bacterial filtration efficiency (Bacterial Filtration Efficiency), which targets particles with a size of 3 microns, which can block pollen and droplets;
(2) PFE stands for Particle Filtration Efficiency (Particle Filtration Efficiency), which targets particles with a size of 0.1 microns, which can block viruses such as influenza and SARS;
(3) FE stands for Virus Filtration Efficiency, for particle size of 0.1 to 5 microns.
Applicable standards for Mask BFE Tester:
YY0469-2011
Q/0212ZRB003-2011 Bacterial Filtration Efficiency of Medical Surgical Mask
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