| 摘要 |
A laminated resin tube is formed mainly of inexpensive materials and has improved low-permeable ability. The laminated resin tube has a plurality of laminated component resin tubes made of thermoplastic resins. At least one of the plurality of component resin tubes is a first low-permeable barrier tube made of polyamide 9T, and the rest of the component resin tubes include a resin tube made of polyamide 6 or polyamide 66.
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