Safety Respiratory Support Invasive N95 Face Mask
The N95 mask is one of 9 types of particulate protective masks certified by NIOSH. "N" means not resistant to oil. "95" means that when exposed to a specified number of special test particles, the particle concentration inside the mask is more than 95% lower than the particle concentration outside the mask. The value of 95% is not an average value, but a minimum value. N95 is not a specific product name, as long as the product meets the N95 standard and passes the NIOSH review, it can be called "N95 mask"
According to the shape of the mask, it is often divided into two types: cup type and folding type.
Refer to the manual for specific parameters.
The filtration efficiency of N95 masks for particles with an aerodynamic diameter of 0.3µm reaches more than 95%. The aerodynamic diameter of airborne bacteria and fungal spores mainly varies between 0.7-10µm, which is also within the protection range of N95 masks. Therefore, N95 masks can be used for respiratory protection of certain particles, such as dust generated in the process of grinding, cleaning and processing minerals, flour and certain other materials, and also suitable for liquid or non-oily non-oil produced by spraying. Particulate matter of harmful volatile gas. Can effectively filter and purify inhaled abnormal odors (except toxic gases), help reduce exposure to certain inhalable microbial particles (such as mold, anthrax, tuberculosis, etc.), but does not eliminate contact infection, illness or death risks.
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Huijun Ma
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