THERMOPLASTIC RESIN SHEET AND CONTAINER

摘要

PROBLEM TO BE SOLVED: To provide a thermoplastic resin sheet excellent in heat insulating properties. SOLUTION: The thermoplastic resin sheet has a thermoplastic resin foam layer having an expansion ratio of at least 3 and at most 40, a density of a cell wall in the direction of the thickness of at least 8 pieces/mm and a ratio of the density of a cell wall of the foam of at least 2 and less than 6.