| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide: a tire which is provided with a side wall, an insulation and a breaker cushion composed of a rubber composition balanced and excellent in low fuel consumption, bending crack growth resistance and processability; and a studless tire which is provided with tread composed of a rubber composition balanced and excellent in low-temperature characteristics and wear resistance performance.SOLUTION: A tire is provided with a side wall, an insulation, a breaker cushion composed of a rubber composition which comprises low-gelation natural rubber ingredient having a magnesium content of 20 ppm or lower and a gel content of 10 mass% or lower, measured as the toluene insoluble, carbon black and/or a white filler, and/or tread of a studless tire.</p> |
