| abstract |
PROBLEM TO BE SOLVED: To provide a foamed polypropylene resin sheet having excellent heat insulating properties and rigidity, and a molded article made of the foamed sheet. SOLUTION: This is an extruded polypropylene resin sheet having an expansion ratio of 2 times or more and 30 times or less, and has a closed cell ratio of 5 or more. 0% or more and a cell density of 25 cells / mm 2 or more; foamed polypropylene resin sheet; sheet containing carbon dioxide as a foaming agent; melt tension of polypropylene resin at 230 ° C. Is 5 g or more, and a molded article obtained by heat-forming the sheet. |