午夜福利中午字幕在线播放,一伊人久久香线蕉综合,12av在线亚洲,先锋AV资源手机在线观看,久久丝袜av中文字幕,亚洲一级在线免费视频

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.


东海县| 建湖县| 黔东| 清原| 花垣县| 河东区| 东源县| 依安县| 盘山县| 拜城县| 长乐市| 长阳| 柞水县| 丹棱县| 仁寿县| 南召县| 湖口县| 白城市|