BIAXIALLY ORIENTED POLYESTER FILM FOR LAMINATING METALLIC SHEETS

摘要

Disclosed is a biaxially oriented polyester film for laminating onto a metallic sheet so as to provide a laminate capable of being formed into a can. The polyester film comprises a polyester layer (A) of a polyester having at least 93 mole% thereof of units derived from ethylene terephthalate and/or ethylene naphthalate and a polyester layer (B) of a polyester containing an ionomer and the film has a face orientation factor of 0.10 to 0.15.