Nov 16, 2018 · In China, there were two kinds of respiratorsKN90\KN95\KN100 (not resistant to oil) and KP90\KP95\KP100 (resistant to oil) . The NIOSH required the N95 (95% filter efficiency) mask as the least depending on the workers exposure to different types of coal dust and crystalline silica .
Why are these masks so expensive? The nonwoven fabric in the middle layer of the masks is the key to effectively flits out the particles, it has to be manufactured by the melt blowing method. The melt blown fabric is currently in tremendous shortage and some sellers tend to use other nonwoven fabric instead.
Take Your Experience To A Whole New Level Using KP100 P3 Filters And Get Close To Perfection Efficiency (99.9%). Fit for a wide range of oil and non oil based particulate contaminants and can be used as a prefilter for certain chemicalexposures.
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A common question we get here at Buy Masks Direct is what the difference is between N95 and KN95 Masks. N95 Masks get a lot of mention in the news and media, because people recognize it as the supreme solution to protect those at highest risk of contracting the Coronavirus due to caring for those who are ill with the disease.
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