No | Item | The standard | Test result | |||
1 | Appearance | Have no grain, no agglomerations, no skinning, and no bubble. | Pass the standard | |||
3 | Droop degree (mm) | Uprightness | ≤3 | 0 | ||
Level | No damage | No damage | ||||
4 | Skinning time/h | ≤3 | 0.5 | |||
5 | Elastic recovery ratio % | ≥80 | 98 | |||
6 | Extrusion ability, ml/min | ≥80 | 112 | |||
7 | Tensile modulus (Mpa) | 23ºC | >0.4 or>0.6 | ≤0.4 or ≤0.6 | 0.89 | |
1.26 | ||||||
8 | Cold-hot adhesive | No damage | No damage | |||
9 | Under water adhesive | No damage | No damage | |||
10 | UV radiation | No damage | No damage | |||
11 | Definite Elongation | No damage | No damage |