Number | Test items | Standard Ordain (GB /T 14683-2017) |
Measured value | |
1 | Appearance | Smooth, uniform paste, without bubbles, skinning or gels. | Smooth, uniform paste, without bubbles, skinning or gels. | |
2 | Density, g/cm³ | Specified value±0.1 (1.50±0.1) |
1.54 | |
3 | Sag degree, mm | Vertical | ≤3 | 0 |
4 | Tack-free time, h | ≤3 | 0.8 | |
5 | Extrudability, ml/min | ≥150 | 571 | |
6 | Elastic recovery rate,% | ≥80 | 91 | |
7 | tensile modulus (23℃), MPa | >0.4 | 0.7 | |
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 | Adhesion at constant load after exposure to water-UV light | No destruction | No destruction | |
12 | Loss of mass, % | ≤8 | 2 | |
13 | Alkane Plasticizer | Not check out | No detected |