Technical parameters | ||||
No. | Test items | GB/T 14683-2017 index Stand Ordain |
Test result | |
1 | Appearance | Even, exquisite paste, | Even, exquisite paste, | |
no bubble, no skinning, no gel | no bubble, no skinning, no gel | |||
2 | Density, g/cm3 | Specified value±0.1 (1.40±0.1) |
1.41 | |
3 | Sag degree, mm | ≤ 3 | 0 | |
4 | Tack free time, h | ≤24 | 1 | |
5 | Extrudability, ml/min | ≥ 150 | 576 | |
6 | Tensile at permanent deformation, % | ≥ 70 | 90 | |
7 | Tensile Modulus, MPa | 23ºC | ≤0.4 | 0.3 |
-20ºC | ≤0.6 | 0.3 | ||
8 | Adhesion at constant load | No destruction | No destruction | |
9 | Adhesion at constant load after water immersion | No destruction | No destruction | |
10 | Adhesion at constant load after cold drawn and hot press | No destruction | No destruction | |
11 | Loss of mass | ≤ 5 | 1 |