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Rubber accelerator used in Tread rubber
Pubdate：2019/05/22 NEWS views：737
Tread rubber formula of Radial tire Unit:PHR
| Item | Tread | rubber | of | Truck radial tire | Tread rubber | of Car radial tire |
| Raw Material | NR | NR/SBR | NR/BR | NR/BR/SBR | NR | NR/BR/SBR |
| NR | 100 | 70 | 80 | 50 | 100 | 60 |
| SBR | – | 30 | – | 30 | – | 20 |
| BR | – | – | 20 | 20 | – | 20 |
| Zinc oxide | 5 | 4 | 5 | 5 | 5 | 5 |
| Stearic acid | 4 | 3 | 2.5 | 2 | 3 | 2 |
| Accelerator NOBS | 0.45 | 0.9 | 0.9 | – | 0.8 | – |
| Accelerator CBS | – | – | – | – | – | 1.1 |
| Accelerator DCBS | – | – | – | 1.3 | – | – |
| Antiscorching agent CTP | 0.2 | – | – | – | – | 0.2 |
| Vulcanizing agent DTDM | 0.5 | – | – | – | – | – |
| Antioxidant 4020 | – | 1.5 | – | 2 | – | – |
| Antioxidant 4010A | 1 | – | 2.5 | 2 | 2.5 | 1.5 |
| Antioxidant RD | 1 | 1.5 | 1.5 | 1 | – | 0.8 |
| Antioxidant BLE | 1 | – | – | – | – | – |
| Paraffin | 1.2 | – | – | – | – | – |
| Microcrystalline wax | – | 1 | – | – | – | – |
| ISAF | 45 | 45 | – | – | 65 | 55 |
| HAF | – | 1 | 55 | 55 | – | – |
| Reinforcing resin | – | – | – | – | – | 2 |
| DAE | – | 6 | 3 | 11 | 9 | 6 |
| pine tar | 4.5 | – | – | – | – | – |
| Sulfur | 1.5 | 2 | 1.8 | 1.6 | – | 1.4 |
| Insoluble Sulfur | – | – | – | – | 3 | – |
| Total | 165.35 | 165.9 | 172.2 | 180.9 | 188.3 | 175 |
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