Table 8.
Stiffness, water column, and air permeability of UPRON fabrics uncoated and coated by knife coating procedure.
| Coating Reference | Dry Add-On (g/m2) | Stiffness [mN] | Water Column (cm) | Air Permeability (mm/s) | Water Vapor Resistance (Ret [m2 Pa W−1]) | ||
|---|---|---|---|---|---|---|---|
| Warp | Weft | Face | Back | ||||
| Uncoated | - | 17.4 | 9.7 | <15 soaked | 85.3 | 3.6 | 3.6 |
| 3238-1 | 24.9 | 133.5 | 38.0 | 34.1 | 1.3 | 150.0 | 160.0 |
| 3238-2 | 28.9 | 122.0 | 36.3 | 36.2 | 0.8 | 841.0 | 760.0 |
| 3238-3POSS | 24.0 | 110.0 | 37.5 | 31.0 | 1.3 | 184.0 | 190.0 |
| 3238-3PDO | 25.5 | 132.5 | 44.0 | 31.3 | 1.2 | 292.0 | 274.0 |
| 3238-7POSS | 27.1 | 110.0 | 44.1 | 31.7 | 0.5 | 469.0 | 448.0 |
| 3238-7PDO | 24.0 | 124.7 | 41.4 | 35.3 | 0.7 | 631.0 | 667.0 |