| 摘要 |
PROBLEM TO BE SOLVED: To provide a resin-molded container with a simple structure, by which the volatilization of the solvent and/or the vaporization of the water content in an ink for a writing utensil are prevented from developing and in which the ink for the writing utensil having the longer period keeping writing characteristics favorably is housed. SOLUTION: The resin layer of this container has a multiplayer structure of two or more layers under the condition that at least one layer of the resin layer is made of an ethylene-vinyl alcohol copolymer resin. |
