| No. | Test item | GB/T 24267-2009 index | Measured value | |||
| 1 | Appearance | Even, exquisite paste, no bubble, no skinning, no gel | Even, exquisite paste, no bubble, no skinning, no gel | |||
| 2 | Sag degree | Verticality, mm | ≤ 3 | 0 | ||
| Horizontal | No deformation | No deformation | ||||
| 3 | Tack free time, h | ≤ 3 | 1.5 | |||
| 4 | Extrudability，ml/min | ≥ 80 | 567 | |||
| 5 | Elastic recovery, % | ≥ 70 | 91 | |||
| 6 | Tensile adhesion | Tensile modulus, MPa | +23℃ | ＞0.4 or ＞0.6 |
0.7 | |
| -20℃ | / | |||||
| 7 | Elongation at constant load | No destruction | No destruction | |||
| 8 | Elongation after hot-press & hard-draw at constant load, % | No destruction | No destruction | |||
| 9 | Elongation after water immersion at constant load, % | No destruction | No destruction | |||
| 10 | Mass loss, % | ≤10 | 4 | |||