| 摘要 |
PROBLEM TO BE SOLVED: To provide a multi-layer fuel vessel mounting a multi-layer molded part for a fuel tank excellent in gasoline barrier property, thermal fusion quality and mechanical strength. SOLUTION: This fuel vessel, mounting a multi-layer molded part composed of barrier property resin A of at least one kind selected from a group consisting of poly vinyl alcohol system resin and polyamide aliphatic poly ketone and thermoplastic resin B having a solubility parameter (calculated from formula Fedors), is provided. The fuel vessel thus mounting the multi-layer molded part markedly improves leak of fuel from a part of the concerned molded part.
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