| 摘要 |
A rubber composition, wherein a reaction efficiency of a silane coupling agent at kneading is improved, generation of air bubbles is suppressed, abrasion resistance is improved, and rolling resistance is lowered, is provided. A rubber composition containing silica, which comprises 3 to 15 parts by weight of a silane coupling agent based on 100 parts by weight of silica, and boric acid.
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