No.
Revision:
Effective:
Page:
EZKZ01
V2.0
2020-03-28
Page 25 of 28
SHANGHAI EARNTZ NONWOVEN.,LTD
Technical File of Earntz Protective Face Mask
Page 28 of 28
Nose piece
The mask should be equipped with a nose piece,
which is made of flexible materials and should be no
less than 8.0cm in length.
Elastic bands
The Elastic bands should be elastic and suitable, the
rupture strength of the mask belt and the connection
between the mask belt and the mask body should be
no less than 10N.
Differential pressure
＜
40 Pa/cm²
Microbial cleanliness
≤30 cfu/g
6.3 Usability evaluation report
The hazards and hazardous situation related to the usability have been taken into
consideration during risk management process, and the mitigation measures are
documented in risk management file.
