| 摘要 |
PROBLEM TO BE SOLVED: To provide a food packaging bag excellent in label bonding strength and pinhole resistance. SOLUTION: In a food packaging container formed by heat-sealing an unstretched laminated film, the laminated film has at least a blend resin layer of a polyethylene naphthalate resin and a polyethylene terephthalate resin or a multilayered structure wherein a polybutylene terephthalate resin layer (A), a gas barrier resin layer (B) and a heat-sealable resin layer (C) are successively laminated and the layer (A) is arranged as the outermost layer and the layer (C) is arranged as the innermost layer.
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