| 摘要 |
PROBLEM TO BE SOLVED: To provide a rubber composition for clinch apexes which can have a good balance of each performance of excellent durability (rubber strength), rolling resistance, and driving stability; and to provide a pneumatic tire (particularly, a pneumatic tire for cars) having a clinch apex made using the composition.SOLUTION: The invention relates to the rubber composition for clinch apexes containing 4-55 pts.mass of a coal pitch-based carbon fiber based on 100 pts.mass of a rubber ingredient. |
