3-Layer Disposable Protective Face mask
Has three layers. It is a basic defense against some viruses.
Structure and Composition
Non-woven fabrics
Melt-blown fabrics
Nasal splint
Mask belt
Model and Specification
SIZE | Discrepancy | Layer |
17.5×9.5 | ±0.5 | 3 |
17.5×9.0 | ±0.5 | 3 |
16.5×9.5 | ±0.5 | 3 |
16.5×9.0 | ±0.5 | 3 |
14.5×9.0 | ±0.5 | 3 |
14.5×7.0 | ±0.5 | 3 |
12.5×9.0 | ±0.5 | 3 |
PH
Should be 4.0-8.5
Microorganisms
Coliform bacteria shall not be detected, pathogenic pyogenic bacteria, the total number of fungal colonies ≤ 100 cfu/g , the total number of bacterial colonies ≤200cfu/g.
Filtration Efficiency
Filtration efficiency of salt medium ≥ 95%
Inspiratory Resistance
Per PA ≤ 175
Expiratory resistance
Per PA ≤ 145