| 摘要 |
The present invention relates to a radial tire having a carcass containing a hybrid cord including polyketone, and more specifically, to a radial tire which has improved durability and riding comfort using the hybrid cord including polyketone as a carcass reinforcing member. The hybrid cord including polyketone has one or more characteristics selected among a twist number of 250-470 TPM, a cord arrangement density of 16-32 per inch, a heat shrinkage ratio of 0-1% during heat treatment at 177°C for 2 minutes, an initial tension of 9.0-12 g/denier, fatigue characteristics of 80-99%, and adhesive force of 15-20kgf with a rubber. |
