| abstract |
[Problem] To be made of a polyester resin, and even when containing high-concentration methanol, whitening of a container, in particular, a mouth portion and a bottom portion is effectively prevented and appearance characteristics are excellent, and a decrease in impact resistance is effectively suppressed. Another object of the present invention is to provide a polyester container for a fuel cell cartridge. A polyester polyester container for storing fuel for a fuel cell, wherein the density change after storage at 60 ° C. for one week at the bottom and mouth during storage of the fuel is 0.01 g / cm 3 or less. A polyester container for a fuel cell cartridge. [Selection figure] None |