| 摘要 |
It is an object of the present invention to provide a rubber composition for a tread which can improve both performance on ice and abrasion resistance and a studless winter tire having a tread formed by this rubber composition. The present invention provides a rubber composition for a tread comprising 0.1 to 7.0 parts by mass of nanodiamond based on 100 parts by mass of a rubber component comprising at least one selected from a group consisting of a natural rubber, an isoprene rubber, a styrene butadiene rubber and a butadiene rubber, and a pneumatic tire having a tread formed by this rubber composition.
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