| 摘要 |
PROBLEM TO BE SOLVED: To provide a rubber composition having well-balanced wet-grip performance, abrasion resistance and rolling resistance without lowering processability. SOLUTION: The objective rubber composition is produced by compounding 100 pts.wt. of a natural rubber and/or a synthetic diene rubber with 5-30 pts.wt. of clay composed main of a component expressed by formula Al2O3.2SiO22H2O and having a water content of >0.5 wt.% and 5-100 pts.wt. of a carbon black having a nitrogen-adsorption specific surface area of 70-300 m2/g.
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