NO | Model | Units | Parameter | Note |
1 | compound weight of unit area | g/㎡ | ≥1400 | |
2 | fabrics weight of unit area | g/㎡ | ≥200 | |
3 | compound thickness | mm | ≥7.0 | |
4 | core thickness | mm | ≥5.0 | |
5 | compound in vertical tensile strength | KN/m | ≥18.0 | |
6 | compound in transverse tensile strength | KN/m | ≥15.0 | Vertical and horizontal |
7 | core of the tensile strength | KN/m | ≥15.0 | |
8 | peel strength | KN/m | ≥0.3 | |
9 | compound conducting water rate | m/s | ≥1.2*10-3 | |
10 | fabrics permeability coefficent | cm/s | ≥0.3 |