| Unit: phr | T-1 | T-2 | T-3 | T-4 | T-5 | T-6 | T-7 | |
|---|---|---|---|---|---|---|---|---|
| Step 1 | ESBR silica WMB | 156 | ||||||
| BR silica DMB | 72 | |||||||
| 40 MSF | 3 | |||||||
| ZEH | 3 | |||||||
| ZnO | 3 | |||||||
| Stearic acid | 2 | |||||||
| 6PPD | 1 | |||||||
| Step 2 | DPG | 1.5 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| TBzTD | 0 | 0 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | |
| Sulfur | 1.50 | 1.50 | 1.0 | 1.25 | 1.50 | 1.75 | 2.0 | |
| CBS | 1.50 | 1.50 | 1.0 | 1.25 | 1.50 | 1.75 | 2.0 | |