POLYSTYRENIC RESIN EXPANDED SHEET, CONTAINER, METHOD FOR PRODUCING POLYSTYRENIC RESIN EXPANDED SHEET, AND METHOD FOR MANUFACTURING CONTAINER

摘要

PROBLEM TO BE SOLVED: To provide a polystyrenic resin expanded sheet having a high heat resistance, suppressed in odors, and excellent in moldability.

SOLUTION: The polystyrenic resin expanded sheet is formed by using a polystyrenic resin composition which contains a polystyrenic resin and a polyphenylene ether-based resin and in which the polyphenylene ether-based resin is contained in 10 to 50 parts by mass based on 100 parts by mass of the total of the polystyrenic resin and the polyphenylene ether-based resin, wherein the polystyrenic resin composition contains 0.05 to 5.0 parts by mass of silica based on 100 parts by mass of the total of the polystyrenic resin and the polyphenylene ether-based resin.

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