Patent ID: 11951711

Abstract:
Deep-drawable packaging film (60, 80, 93, 95) having an aluminum foil (10) as a core layer and comprising on an outer side of the aluminum foil (10) a semi-crystalline PET film (21, 25, 50) that is laminated to the aluminum foil (10) using an adhesive layer (40) and comprising on the other side of the aluminum foil (10) opposite to the PET film (21, 25, 50) a sealing layer (30, 35). The PET film (21, 25, 50) has a degree of crystallization between 20 and 70% and has a Young's modulus of 2000 MPa to 2700 MPa. The PET film (21, 25, 50) is a non-stretched film and the inner side of the PET film (21, 25, 50) directed to the aluminum foil (10) comprises a reverse printing (23).