EASY-TO-TEAR POLYESTER RESIN FILM

摘要

[PROBLEMS] To inexpensively provide a stretched polyester film which has satisfactory tearableness without losing strength, transparency, heat resistance, barrier properties, etc. and is useful as a packaging film or a film for tape use or as an opening material in a PTP package or beverage pack. [MEANS FOR SOLVING PROBLEMS] The easy-to-tear polyester resin film comprises two or more superposed polyester resin layers differing in melting point, and is characterized by having a piercing strength of 8.0 N or lower.