| Parameters | T1 sample | C1 sample |
| Basis weight (g・m−2) | 10 | 10 |
| Fiber material density (g・cm−3) | 1.5 | 1.5 |
| Thickness (mm) | 2.0 | 0.7 |
| Solidity | 0.003 | 0.095 |
| Pressure drop at 5.3 cm・s−1 (Pa) | 25 | 55 |
| Effective fiber diameter from Davies equation (nm) | 955 | 857 |