| abstract |
The pneumatic tire (1) of the present invention, in which a tread rubber (7), a sidewall rubber (8), and a breaker rubber (9) each have an intrinsic volume resistivity of 1 × 10 8 Ω·cm or more, a clinch rubber (3) and a chafer rubber (2) each have an intrinsic volume resistivity of 1 × 10 8 Ω·cm or less, wherein the pneumatic tire has a first conductive layer (4) that is disposed between a carcass ply, an edge portion of the breaker rubber (9) and the sidewall portion, a second conductive layer (5) that is in contact with the first conductive layer (4) and is disposed between the tread rubber (7) and the carcass (10), and a pen rubber layer (6) that extends from the second conductive layer (5) to a surface of the tread portion, wherein the first conductive layer (4), the second conductive layer (5), and the pen rubber layer (6) each have an intrinsic volume resistivity of 1 × 10 8 Ω·cm or less, the carcass ply contains a conductive fibrous material having an intrinsic volume resistivity of 1 × 10 8 Ω·cm or less and has a structure that the carcass ply is in contact with the clinch portion, the chafer portion, and the first conductive layer (4). |