| 摘要 |
PROBLEM TO BE SOLVED: To provide a tube for a tire capable of effectively preventing puncture of the tire and never causing deterioration of driving comfortability. SOLUTION: This tube for the tire uses a rubber composite made by blending carbon black a nitrogen absorption ratio surface area (N<SB>2</SB>SA) of which is more than 70m<SP>2</SP>/g, favorably more than 105m<SP>2</SP>/g and more favorably more than 120m<SP>2</SP>/g for a rubber component made of natural rubber and/or synthetic rubber. Hereby, blending quantity of the carbon black is favorably 40 to 65 mass part against rubber component 100 mass part and more favorably a 40 to 55 mass part. COPYRIGHT: (C)2005,JPO&NCIPI
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