Description

Material : 5 layers
1st PLY PP Non-woven 50gsm
2nd PLY Hot air cotton 50gsm
3rd PLY Melted blown 25gsm
4th PLY Melted blown 25gsm
5th PLY PP Non-woven 25gsm
PFE: ≥95%
Inhalation Resistance < 350 Pa
Expiratory Resistance < 250Pa
Conducted standard :GB2626-2006