POLYSTYRENE RESIN FOAMED SHEET, THERMOPLASTIC RESIN LAMINATED FOAMED SHEET AND CONTAINER OF THEM

摘要

PROBLEM TO BE SOLVED: To provide a polystyrene resin foamed sheet having a beautiful and smooth surface even with a light weight, excellent thermoformability without crack or breakage of the sheet when thermoformed and capable of reproducing a shape of a mold as it is and a container having a beautiful surface and to provide a thermoplastic resin laminated formed sheet having a beautiful and smooth surface even with a light weight, excellent thermoformability without crack or breakage of the sheet when thermoformed and capable of reproducing a shape of a mold as it is and a container having a beautiful surface and excellent printability. SOLUTION: The polystyrene resin foamed sheet 1 has a density of 0.05 to less than 0.11 g/cm3, and comprises a polystyrene resin first foamed layer 2 having a mean foam size of 155 to 450μm and a polystyrene resin second foamed layer 3 having a mean foam size of 35 to 150μm.