Item | Project | Index | ||||
I | II | III | ||||
1 | Surface drying time/h ≤ | 12 | ||||
2 | Fully drying time/h ≤ | 24 | ||||
3 | Tensile strength/MPa ≥ | 2.00 | 6.00 | 12.0 | ||
4 | Elongation at break/% ≥ | 500 | 450 | 250 | ||
5 | Low temperature flexibility | -35℃,No crack | ||||
6 | Water impermeability | 0.3MPa,120min,Impervious |