Medical Protective Mask

Medical protective mask conforms to GB19083-2003 technical requirements for medical protective masks. Important technical indexes include filtration efficiency of non oil particles and air flow resistance (1) Filtration efficiency: under the condition of air flow (85 ± 2) l / min, the filtration...

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Medical protective mask conforms to GB19083-2003 technical requirements for medical protective masks. Important technical indexes include filtration efficiency of non oil particles and air flow resistance

 Surgical mask

(1) Filtration efficiency: under the condition of air flow (85 ± 2) l / min, the filtration efficiency of sodium chloride aerosol with median diameter (0.24 ± 0.06) μ m in aerodynamics shall not be less than 95%, that is to say, it shall meet the grade of N95 (or FFP2) and above.

 

(2) Suction resistance: under the above flow conditions, the suction resistance shall not exceed 343.2pa (35mmh2o).


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