Flexible Tube

Abstract: [Problem] To provide a flexible tube which is pliable, in which there is little eluted substance, and which is can be used in, for example, a factory for manufacturing foods/beverages, cosmetics, fragrance materials, pharmaceuticals, and the like. [Solution] A flexible tube according to the present invention comprises at least a first resin layer which comprises a fluororesin, which has a thickness of 0.05-0.5 mm, and which is 1-16% the thickness of the entire flexible tube, and a second resin layer which comprises a thermoplastic resin differing from the first resin layer, wherein the fluororesin has a flexural modulus of 500-1200 MPa as measured by ASTM D790, and the amount of eluted substance obtained by analyzing an eluate which has been obtained by sealing heptane as a solvent into the flexible tube and letting the tube rest for 60 minutes at 25°C is not more than 150 ppm.

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