Specification For KN95 Face Mask

Specification of KN95 GB 2626-2006 From Manufacturer

The filter is certified by the Guangdong Detection Center of Microbiology for GB 2626-2006, and meets the KN95 standard with ease, almost reaching the requirements for KN99 (see below documents). The KN95 label stands for the mask’s ability to filter out at least 95% of airborne particles larger than 0.3 microns (for reference, PM2.5 particles are 2.5 microns).

What is KN95 GB 2626-2006?

This Chinese standard specifies the self-absorption filter respirators against particles technical requirements, test methods and marking. This standard applies to all types of particulate matter protective self-absorption filter respirators

KN95 and N95 masks have the same level of protection, but they only follow the testing standards of different countries. KN95 masks follow Chinese standards, N95 masks follow US standards, and both of them are not less than 95% in protection against non-oily particles (experimental sodium chloride particles).

Filer performance (must be ≥ X% efficient) : ≥ 95%

Flow rate: 85L/min

Total inward leakage (TIL)*- tested on human subjects each performing exercises

≥ 8% leakage (arithmetic mean)

Inhalation resistance – max pressure drop: ≥ 350Pa

Flow rate: 85L/min

Exhalation resistance – max pressure drop: ≥ 250Pa

Flow rate: 85L/min

Exhalation valve leakage requirement: Depressurization to 0 Pa ≥ 20 sec

Force applied: -1180 Pa

CO2 clearance requirement ≥ 1%

Disclaimer *All sizes are quoted are approximate. Product images are intended to only illustrate the closest accuracy of the actual product. While all effort is made to ensure the images are as accurate as possible, product specifications may change without any notice.

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