| 摘要 |
PURPOSE: A rubber composition for tire lower beadfiller is provided to improve durability by high hardness and modus, to have excellent low-heating performance, and to reduce smell generated during tire manufacturing process. CONSTITUTION: A rubber composition for tire lower beadfiller comprises: 100.0 parts by weight of crude rubber, 60-80 parts by weight of carbon black of which nitrogen adsorption surface area is 70-100 mg/g, and dibutylphthalate oil absorption amount is 65-130 cc/100g, and tint value is 90-120; 1-20 parts by weight of cashew nut shell liquid-modified phenol resin in which unreacted phenol and m-cresol are removed as an environment-friendly reinforcing resin. |
