久久99国产综合福利_日韩精品亚洲精品欧美精品_日韩精品在线观看高清视频_国产制服丝袜在线无码视频_狠狠综合久久AV_蜜桃aⅴ蜜臀aⅴ色欲aⅴ免费_日本三级韩国三级韩级精品视频_精品国产免费福利片_无码h黄动漫在线播放网站_麻豆一区二区三区精品蜜桃

What are the common structures of composite film for food packaging?

What are the common structures of composite film for food packaging?

2013-12-14

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.