| 摘要 |
PROBLEM TO BE SOLVED: To provide a polyolefin resin made foam oriented container obtained by physical foaming using an inert gas as a foaming agent.SOLUTION: In a polyolefin made foam oriented container which has, in its container wall, foam areas containing distributed foam cells, at least 10 foam cells are connected, in the drawing direction, with one another to form a cell cluster, in the cross section along a drawing direction in the foam area. |
