1 Factors Affecting The Barrier Properties Of PVDC Films
PET：
1. PET film is a packaging film with comprehensive performance. It has good transparency and gloss;
PVC calendered film is one of the commonly used base films for color-changing films. It has the characteristics of light weight, high mechanical strength, good insulation performance and easy processing. Its calendering process is mainly: mixing - hot extrusion - calendering (extrusion, deflection, embossing) - cooling - winding.
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