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High-barrier polyester film (COPET)
COPET primarily involves coating the membrane surface with modified polyvinyl alcohol (PVA); PVA exhibits high transparency, excellent oxygen barrier properties, and good flexibility and adhesion.
Category:
High-barrier polyester film (COPET)
COPET primarily involves coating modified polyvinyl alcohol (PVA) onto the surface of the membrane material; PVA exhibits high transparency and excellent…
oxygen barrier properties, as well as excellent flexibility and adhesion.
Product Specifications:
Base material thickness: COPET13
Length and width: manufactured according to customer requirements.
Product Features:
1. High transparency, enabling clearer visualization of the contents, making it suitable for packaging that requires both visibility of the product and barrier properties, such as for food and pharmaceuticals.
2. The excellent adhesion of PVA renders the composite film structure more stable and less prone to delamination.
3. Excellent printability, enabling it to serve as a high-barrier layer while also meeting the requirements of multi-color printing;
4. As a substitute for conventional PVDC or print-grade Alox-coated films, PVA offers superior oxygen-barrier properties compared to PVDC coatings, while also being more cost‑effective.
It offers advantages and aligns with the trend toward environmentally friendly packaging materials.
Composite structure:
COPET/PE
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