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Film and Sheets
Both films and sheets are manufactured using processes like extrusion, blown film extrusion, cast film extrusion, and calendering.
Key Properties of Polymeric Films and Sheets:
- Lightweight: Easy to handle and transport.
- Flexibility: Can be easily molded, folded, or shaped.
- Transparency: Can be produced in clear, translucent, or opaque forms.
- Barrier Properties: Provide resistance to moisture, gases, and chemicals.
- Durability: Resistant to tearing, puncturing, and environmental factors.
- Customizability: Can be tailored in terms of thickness, color, texture, and surface finish.
- Recyclability: Many polymeric films and sheets are recyclable, contributing to sustainability.
Packaging
Food Packaging:
- Films: Used for wrapping fresh produce, snacks, and frozen foods (e.g., PE cling film, PP films).
- Sheets: Used for trays, containers, and lids (e.g., PET sheets for microwaveable trays).
Pharmaceutical Packaging:
- Films: Used for blister packs, pouches, and strip packaging.
- Sheets: Used for pill containers and medical device packaging.
Industrial Packaging:
- Films: Used for shrink wrap, stretch film, and protective packaging.
- Sheets: Used for rigid boxes and protective liners.