| 摘要 |
PROBLEM TO BE SOLVED: To provide a lightweight tire that is formed by using a resin material and has the excellent retention property of gas contained in a tire framework.SOLUTION: A tire 10 has an annular tire case 17 formed of polyamide thermoplastic elastomer, and a gas-retaining layer 2A whose gas permeability coefficient at 80°C is less than or equal to 2.0×10cmcm/(cms Pa) and which contains a resin composition composed of a polyamide thermoplastic resin and elastomer. |
