Product Details

N95 standard Folded Particulate Respirator With Valve

The best dust masks are judged by the following criteria:

1) Efficiency and safety: the filtration efficiency shall be at least N95 level (American Standard). China's (kn95) and Europe's (FFP2). The technical parameter is that under the condition of 0.3 μ m fine particles and 85L air flow, the filtration efficiency is more than 95%. This factory with a little technical strength can be easily reached.

2) Respiratory comfort: at present, the biggest difficulty of dust mask is that it has a large respiratory resistance, that is, it is not comfortable to breathe. The strength of a factory or brand is how to minimize the respiratory resistance on the premise of reaching N95 standard. At present, the national standard of respiratory resistance is 350 PA, which is quite low and difficult to breathe. At present, the respiratory resistance of 3M and Lanhe masks is better. Their respiratory resistance is 80pa and 75pa respectively, which are the two dust masks with the lowest respiratory resistance at present.

3) Sealing: that is to say, the leakage rate of the mask shall be low, and the national standard requirement shall be lower than 13%.

4) Material safety: that is to say, all materials shall be harmless and non-toxic, without fluorescent agent and additives.

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