Core tip: composite film refers to a multilayer structure film formed by combining various plastics with paper, metal or other materials through lamination, extrusion veneer, co-extrusion and other process technologies.
Composite film refers to a multilayer structure film formed by combining various plastics with paper, metal or other materials through lamination, extrusion veneer, co-extrusion and other process technologies. Do you know the common structures of composite film for food packaging?
Common structures of composite film for food packaging
Double-layer composite, such as PT/PE, paper/aluminum foil, paper/PE, PET/PE, PVC/PE, NY/PVDC, PE/PVDC, PP/PVDC, etc.
Three-layer composite, such as BOPP/PE/OPP, PET/PVDC/PE, PET/PT/PE, PT/AL/PE, wax/paper/PE, etc.
Four-layer composite, such as PT/PE/BOPP/PE, PVDC/PT/PVDC/PE, paper/aluminum foil/paper/PE, etc.
Five-layer composite, such as PVDC/PT/PE/AL/PE, etc.
Six-layer composite, such as PE/paper/PE/AL/PE/PE, etc.
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