PVC/EVOH/PE films are multilayer barrier films primarily used in packaging applications, particularly for products that require extended shelf life and protection from oxygen and moisture. The combination of these layers provides specific benefits:

  • PVC (Polyvinyl Chloride): Offers strength, stiffness, and clarity.
  • EVOH (Ethylene-Vinyl Alcohol): Provides excellent gas barrier properties, particularly against oxygen, carbon dioxide, and nitrogen. This is crucial for preventing spoilage, maintaining freshness, and preserving flavor.
  • PE (Polyethylene): Offers flexibility, chemical resistance, and excellent heat sealability, making it easy to create sealed packages. It also acts as a protective layer for the EVOH, as EVOH’s barrier properties can be reduced by moisture.

Here are the main usage areas of PVC/EVOH/PE films:

  • Food Packaging: This is the most significant application due to EVOH’s high oxygen barrier.
  • Perishable Foods: Meat (red meat, processed meats, sausages), fish, poultry, cheese, and other deli products to prevent oxidation, discoloration, and maintain texture and flavor.
  • Oxygen-Sensitive Foods: Coffee, tea, snacks, and cereals to lock in aroma and prevent rancidity.
  • Dairy Products: Milk, yogurt, and other dairy items.
    • Sauces and Condiments: Ketchup, mayonnaise, soy sauce, etc.
    • Ready-to-eat meals: Especially those requiring modified atmosphere packaging (MAP) or vacuum sealing.
    • Retort and Aseptic Packaging: For products that undergo high-temperature sterilization.
    • Oily Goods: Such as edible oils, as EVOH is resistant to oils and organic solvents.

    Pharmaceutical Packaging:

    • Blister packs, sachets, and vials for sensitive drugs and medical devices, protecting them from moisture, oxygen, and contaminants.

    Other Industrial and Non-Food Applications:

    • Packaging for cosmetics and toiletries.
    • Industrial product rust prevention packaging.
    • Packaging of certain chemicals and organic solvents.
    • Veterinary liquid packaging.

    These films are commonly found in various packaging formats like:

    • Bags and pouches (including vacuum-sealed and stand-up zipper pouches)
    • Wrapping films
    • Lidding films for trays and cups
    • Thermoformed trays (e.g., meat trays, cheese trays)

    The multi-layer structure of PVC/EVOH/PE films allows for a combination of properties that no single material could achieve, making them highly effective for preserving product quality and extending shelf life.

    Main User : Reel Good Foods (In California)

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