| 摘要 |
PROBLEM TO BE SOLVED: To provide a packaging container which has peeling strength of a laminate film without increasing thickness and without hindering opening a lid material for a top seal.SOLUTION: The packaging container is made of polystyrene foam, includes: a base material 1 including a bottom 11, a side 12 standing from the outer periphery of the bottom, and a flange part 13 extending outward from the top edge of the side; and a co-extrusion laminated film 2 laminated on the base material to have a gas barrier layer. Peeling strength prescribed by JISK6854 between the attached base material and the co-extrusion laminated film is 1.5 N/15 mm or more, and 4.0 N/15 mm or more is preferable, operationally.SELECTED DRAWING: Figure 1 |
