International Journal of Interdisciplinary Research
Table 5 Experimental face masks evaluated via Head Form Mode. Standard errors are in parentheses
From: Cloth face mask fit and function for children part two: Material Selection
Sample ID | Mouth level filtration efficiency (%) | Eye level filtration efficiency (%) | |||||
|---|---|---|---|---|---|---|---|
0.3 µm | 0.5 µm | 1.0 µm | 0.3 µm | 0.5 µm | 1.0 µm | ||
Surgical mask | Unsealed | 84.8 (4.3) | 96.0 (2.1) | 96.2 (2.1) | 1.2 (3.1) | 0.90 (35.7) | − 3.9 (52.1) |
Sealed | 71.7 (15.3) | 98.8 (0.7) | 99.5 (0.3) | 21.5 (2.3) | 89.1 (2.4) | 95.1 (1.1) | |
Cotton Shaped | Unsealed | 84.2 (2.7) | 97.2 (0.9) | 98.2 (0.8) | − 1.1 (2.6) | 36.3 (21.5) | 54.5 (22.9) |
Sealed | 57.6 (6.6) | 95.8 (1.0) | 97.2 (0.9) | − 5.1 (3.4) | 24.9 (17.0) | 35.2 (21.0) | |
Mixed Shaped | Unsealed | 75.7 (5.2) | 98.0 (1.0) | 98.5 (1.1) | 6.6 (6.1) | 20.8 (32.7) | 23.2 (51.7) |
Sealed | 35.6 (2.8) | 93.1 (1.1) | 96.7 (0.5) | 13.6 (7.2) | 80.7 (8.6) | 91.1 (3.6) | |
Mixed Prototype | Unsealed | 36.8 (12.0) | 87.2 (2.7) | 87.0 (2.0) | − 5.3 (4.8) | − 96.1 (72.2) | − 206.5 (145.7) |
Sealed | 13.4 (11.6) | 71.6 (20.2) | 72.3 (23.5) | 20.8 (1.4) | 88.7 (3.1) | 90.3 (5.4) | |