| Material | Weight | PHR (Parts per hundred of polymer rubber) |
|---|---|---|
| NR-3 (Natural rubber) | 55 | 68.75 |
| SBR-1502 (Styrene-butadiene rubber) | 15 | 18.75 |
| BR-9000 (Butadiene rubber) | 10 | 12.5 |
| Sulfur | 1.6 | 2.0 |
| Accelerator M (MBT) | 0.8 | 1.0 |
| Accelerator DM (MBTS) | 1.2 | 1.5 |
| Accelerator CZ (Sulfenamide) | 0.4 | 0.5 |
| Accelerator TS (TMTM) | 0.24 | 0.3 |
| Active Zinc Oxide (ZnO) | 2.4 | 3.0 |
| Stearic Acid | 0.8 | 1.0 |
| Antioxidant SP-C | 2.4 | 3.0 |
| Antioxidant 264 (BHT) | 0.8 | 1.0 |
| WCB (amorphous silica) | 16 | 20 |
| Calcium Carbonate (ground limestone) | 52 | 65 |
| DEG (diethylene glycol) | 0.48 | 0.6 |
| TOTALS | 159.12 | 198.90 |