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特許 権利維持 A resin pipe and a resin material are provided to obtain a required amount of dissolved oxygen, oxygen permeability coefficient, and a flexural modulus. A resin pipe has an oxygen permeability coefficient of 5x10^6 (molecules.cm/cm^2 .sec.Pa) or less, and a flexural modulus of 1800 Mpa or less. The resin pipe contains a fluorine resin.