| 摘要 |
PROBLEM TO BE SOLVED: To provide a rubber composition capable of highly reconciling the low fuel consumption of a tire with the wet gripping performance. SOLUTION: The rubber composition contains a rubber component and an ultra-small particle size silica having a primary particle size of≤14 nm and a nitrogen adsorption specific surface area of≥400 m<SP>2</SP>/g. COPYRIGHT: (C)2006,JPO&NCIPI
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