POWECOM KN95 Face Mask 10 PCs for Men & Women Updated Breathable 10 Pack – ADENLINA

Description

KN95 masks are produced in very clean, almost dust-free production environments.

The KN95 masks comply with standard GB 2626-2006 (KN95 grade), The performance is tested on four sections:

1) the Filtering efficiency, is over>95%

Tested using NACL as the particulates, the flow is:85L/minute, the density of particulates: 15mg per CBM, at regulatedtemperature range, and at regulated humidity range

2) the resistance to inhaling (air in): must be less than 350 Pa

3) the resistance to exhale (air out): must be less than 250 Pa

4) the quality of ear loop / headband straps: pulling force of 10N lasting for 10 seconds, must be OK, cannot break