Table 2 Physical characteristics of the masks
Mask type | Size (cm) | Product name  Materials | Thickness (mm) |
|---|---|---|---|
Taped mask | 15 × 12 16 × 12.8 | The proper mask  Adhesive carrier layer is comparable to KinesioTape (Suzhou MedSport Products Co., LTD.) and is combined with a two-layer polypropylene filter material complying with FFP2 (EN149) norm (Textilmacher GmbH; Munich, GER) | 0.46 |
Surgical mask | 17.5 × 9.5 | Moon-Valley face mask  Non-woven fabric (70%), Melt-blown fabric (30%) | 0.4 |