Fig. 1
Microphotos of the different face mask knit fabrics
Fig. 2
Structure of Coolmax® fiber used to produce face mask knit fabrics
Table 1
Comparison of structural difference of the various fabric masks
| Fabric Sample | Fibre Composition | Fabric Structure | Thickness (mm) | GSM (g/m2) | Pore size (m) | |
|---|---|---|---|---|---|---|
| Mean | Max | |||||
| M0 | 100% cotton | Single jersey fabric | 0.5217 | 149.760 | 31.72 | 92.12 |
| M1 | 50% cotton + 50% coolmax (4 channel) | Single jersey fabric | 0.542 | 150.234 | 35.06 | 87.74 |
| M2 | 50% cotton + 50% coolmax (6 channel) | Single jersey fabric | 0.5637 | 150.864 | 41.00 | 106.60 |
Fig. 3
Filtration efficiency of the functional finished Coolmax® and cotton blended fabrics at a flow rate of 1.2 CFM (without gap)
Fig. 4
Effect of Coolmax® fiber structure: M0 = 100% cotton, M1 = 50% cotton and 50% Coolmax® (4 channel), and M2 = 50% cotton and 50% Coolmax® (6 channel)) on the air
Fig. 5
Effect of fiber structure: M0 = 100% cotton, M1 = 50% cotton and 50% Coolmax® (4 channel), and M2 = 50% cotton and 50% Coolmax® (6 channel) on the water vapour permeability of the face mask fabrics
Fig. 6
Wicking property results of face mask knitted fabric: M0 = 100% cotton, M1 = 50% cotton and 50% Coolmax® (4 channel), and M2 = 50% cotton and 50% Coolmax® (6 channel)
Fig. 7
Remaining water ratio values at 35° C of Coolmax® blended face mask fabric: M0 = 100% cotton, M1 = 50% cotton and 50% Coolmax® (4 channel), and M2 = 50% cotton and 50% Coolmax® (6 channel)
Fig. 8
Thermal conductivity of face mask fabric (M0 = 100% cotton, M1 = 50% cotton and 50% Coolmax® (4 channel), and M2 = 50% cotton and 50% Coolmax® (6 channel))
Fig. 9
Thermal absorptivity of face mask fabrics: M0 = 100% cotton, M1 = 50% cotton and 50% Coolmax® (4 channel), and M2 = 50% cotton and 50% Coolmax® (6 channel)
Fig. 10
Effect of Coolmax® fiber content on flexural rigidity properties of face mask fabric: M0 = 100% cotton, M1 = 50% cotton and 50% Coolmax® (4 channel), and M2 = 50% cotton and 50% Coolmax® (6 channel)