| 摘要 |
PROBLEM TO BE SOLVED: To provide a food container such as a tray made of a polystyrene resin foaming sheet with a wrapping film excellent in wrapping aptitude. SOLUTION: The food container is made of a polystyrene resin foaming sheet laminated with thermoplastic resin film on one face or both faces thereof, and contains an interior thermoplastic resin film layer. A flange is fromed on the periphery of an opening of the container, and the upper surface of the flange has a surface roughness (Ra) of 0.3μm to 5.0μm. COPYRIGHT: (C)2004,JPO
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