High Quality 4 Ply Kn95 Face Mask Earloop Type With Gb2626 - Buy 4 Ply Mask,Kn95 Mask,4 Ply Kn95 Face Mask Product.mp4

4 year ago

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Zhengzhou Dongfeng Mid-south Enterprise Co., Ltd.

1 min

Product details

KN95 disposable 4 layers non medical mask

model: KN95/FFP2

standard: EN149:2001+A1:2009

have CE certificate.

Resistance of inhalation and exhalation (GB 2626-2006)

Total inhalation resistance <=350

Total exhalation resistance <=250

Temperature: 22.3℃

relative humidity: 36.1%

Aerosol chamber: NaC1

concentration of aerosol chamber: 15mg/m3

Flow meter rate: 85L/min

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Zhengzhou Dongfeng Mid-south Enterprise Co., Ltd.

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1 min

Main Product: Dump Truck, Tractor truck, SUV, Coach bus, HOWO truck, Dongfeng truck

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