| Category |
Test Item |
Product index |
Measured Value |
Test Basis |
| Master batch |
Mooney viscosity, ML（1+4） @125℃ |
55±10 |
54 |
GB/T 1232.1-2016 |
| Volatile,% |
≤1.5 |
0.4 |
GB/T 24131.1-2018 |
| Final mixing |
Tensile strength, MPa |
≥26.0 |
28.7 |
GB/T 528-2009 |
| Elongation at break, % |
≥470 |
545 |
| Stress at 100% elongation, MPa |
2.6±0.5 |
2.3 |
| Stress at 300% elongation, MPa |
13.5±1.5 |
12.9 |
| Hysteresis loss, tanδ max |
≤0.095 |
0.080 |
QTCS-YK.08-01-2020 |
| Shore hardness, RT, Shore A |
60±3 |
58 |
GB/T 531.1-2008 |
| Density, Mg/m3 |
1.149±0.010 |
1.151 |
GB/T 533-2008 |
| Rebound resilience, @23°C,% |
≥55 |
60 |
GB/T 1681-2009 |
