How to see whether the mask is qualified?

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dumplingTue, Dec 21, 2021 8:54 AM
Other levels of NIOSH certified anti particulate respirators include: N95, n99, N100, R95, R99, R100, p95, p99 and P100, a total of 9 kinds. These protection levels can cover the protection range of N95.
“ N” Indicates that it is not resistant to oil and is suitable for non oily particles.
“ R” Indicates resistant to oil, suitable for oily or non oily particles.
“ P” Indicates oil proof, suitable for oily or non oily particles.
“ 95”、& ldquo; 99” And & ldquo; 100” Refers to the filtration efficiency level when tested with 0.3 micron particles& ldquo; 95” Indicates that the filtration efficiency is above 95%, & ldquo; 99” Indicates that the filtration efficiency is above 99%, & ldquo; 100” It means that the filtration efficiency is more than 99.7%.

dumpling

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Tue, Dec 21, 2021 8:54 AM
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