| Compound No. | U1 | U2 | U3 | U4 | F1 | F2 | F3 | F4 |
|---|---|---|---|---|---|---|---|---|
| NR | 100 | - | - | 40.0 | 100 | - | - | 40.0 |
| E-SBR | - | 100 | - | 20.0 | - | 100 | - | 20.0 |
| BR | - | - | 100 | 40.0 | - | - | 100 | 40.0 |
| Carbon black (N330) | - | - | - | - | 50.0 | 50.0 | 50.0 | 50.0 |
| ZnO | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 |
| Stearic acid | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 |
| TBBS | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 |
| Sulfur | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 |