ALUMINUM-LAMINATED PE, PET FILM
1. Detailed product information
- Composite plastic film, also known as laminated film, is a multilayer material that inherits the advantageous properties of each component layer.
- Various materials are simultaneously combined (laminated) to achieve enhanced functional properties, meeting specific packaging requirements. A single laminated sheet can provide comprehensive attributes such as gas barrier, moisture barrier, rigidity, printability, ease of processing, good heat-sealing performance, etc.
- Technically, laminated materials are widely applied as they fulfill performance requirements, economic efficiency, user convenience, product preservation, cost-effectiveness, and safety.
- Packaging structures containing composite laminated film:
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Different polymers are ed based on their roles as structural layers, adhesive layers, barrier layers, or sealing layers.
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Structural layer: Ensures essential mechanical properties, easy printability, and often includes moisture resistance.
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Adhesive layers: Thermoplastic adhesive resins (extrusion type) used to bond materials of differing characteristics.
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Barrier layers: Used to achieve superior gas barrier and aroma retention properties: PET, PA, AL, MCPP, MPET.
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Heat-sealing layers: Commonly PE and LLDPE blends.
2. Materials used
OPP, PET, PA, CPP, LLDPE, AL (aluminum), MCPP, MPET, etc. Among these:
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Printable materials: OPP, PET, PA, CPP
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Inner lamination materials: CPP, LLDPE, AL (aluminum), MCPP, MPET

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