| 摘要 |
PROBLEM TO BE SOLVED: To provide a pneumatic tire for construction vehicle capable of improving cut resistance, heat generation resistance and moldability comparable with or superior to conventional.SOLUTION: There is provided a pneumatic tire for construction vehicle having a structure where a cap tread 11 is laminated on an outer side of an under tread 12, where the cap tread 11 is constituted by laminating a rubber sheet 9 with any width formed by a cap tread rubber composition for construction vehicle and the cap tread rubber composition for construction vehicle is manufactured by blending 100 pts.mass of a diene rubber containing a natural rubber or an isoprene rubber of 90 to 100 wt.%, 30 to 60 pts.wt. of carbon black having nitrogen absorption specific surface area of 70 to 145 m/g, 15 to 35 pts.wt. of silica and 0.5 to 20 pts.wt. of a rosin-based resin with total of the carbon black, the silica and the rosin resin of 50 to 100 pts.wt.SELECTED DRAWING: Figure 1 |
