MULTILAYER STRETCHED FILM

摘要

PROBLEM TO BE SOLVED: To provide a polyamide-based film having excellent heat seal strength while maintaining conventionally known characteristics of a polyamide-based film.SOLUTION: There is provided a polyamide-based multilayer stretched film having at least a crystalline polyester layer, an adhesive layer and an aliphatic polyamide layer, where the crystalline polyester layer contains 50 to 95 wt.% of a polyethylene terephthalate and 5 to 50 wt.% of a polybutylene terephthalate-based resin.