Table 2.
Green tire formulation filled with 80 phr of silica (GT80).
| 1st Stage | ||
| Material | Type | phr |
| Buna VSL 4526-2 | oil-extended (26.25 phr) S-SBR | 96.25 |
| Buna CB 24 | Nd-BR; cis1,4 > 96% | 30.00 |
| Silica | variable | 80.00 |
| Si 266 | silane | adjusted to CTAB |
| N330 | carbon black | 5.00 |
| ZnO RS RAL 844 C | zinc oxide | 2.00 |
| Edenor ST1 GS | stearic acid | 2.00 |
| Vivatec 500 | TDAE * oil | 8.75 |
| Vulkanox HS/LG | TMQ ** protector | 1.50 |
| Vulkanox 4020/LG | 6PPD *** anti-aging | 2.00 |
| Protektor G 3108 | Wax | 2.00 |
| 2nd stage | ||
| batch 1st stage | ||
| Rhenogran DPG-80 | 80% DPG **** accelerator | 2.50 |
| 3rd stage | ||
| batch 2nd stage | ||
| Richon TBZTD OP | TBzTD ***** accelerator | 0.20 |
| Vulkacit CZ/EG-C | CBS ****** accelerator | 1.60 |
| Sulfur 80/90 | soluble sulfur | 2.00 |
* TDAE: Treated Distillated Aromatic Extract, ** TMQ: 2,2,4-TriMethyl-1,2-dihydroQuinoline, *** 6PPD: N-(1,3-dimethylbutyl)-N’-Phenyl-p-Phenylenediamine, **** DPG: N,N’-Diphenylguanidine, ***** TBzTD: Tetrabenzylthiuram Disulphide, ****** CBS: N-Cyclohexyl-2-BenzothiazoleSulfenamide.