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    Seals and Liners for Closures and Caps

    One of the customary ways to improve the cap’s sealing of the bottle or jar is with the insertion of a seal into the cap. The seal has several functions:

    • Prevention of leakage from the bottle or jar.
    • Protecting the product from the penetration of oxygen and moisture and extending the product’s shelf life.
    • Providing tamper evidence, as the first use of the product requires the tearing and removal of the liner.

    We provide a wide variety of seals (liners), which we import from the leading manufacturers in Europe and the USA. All of the seals have been approved for contact with food and pharmaceuticals according to the European and American standards:

    • Pressure sensitive liners: a liner located in the cap. The glue in the liner begins to work when the cap is closed and the liner is pressed onto the bottle’s mouth. Upon the first opening, the liner must be peeled off the bottle’s mouth.
    • Induction heat seal aluminum liner: an aluminum liner fused onto the bottle’s mouth using an induction machine. The aluminum’s advantage lies in its complete blockage of oxygen and moisture penetration into the product through the mouth. Moreover, it is fused onto the bottle’s mouth, thus providing tamper evidence—it must be peeled upon the first opening. To work with the aluminum liner, an induction welding machine, which we provide, is necessary.

    Our aluminum liners come with a tab for the convenient lifting and detachment of the liner from the jars’ mouth upon the first opening: Lift N’ Peal.

    • EPE (expanded Polyethylene), also known as plastic foam liner. Serves to improve the sealing between the cap and the bottle. Does not provide tamper evidence.
    • Teflon liner (PTFE – Polytetrafluoroethylene): used to seal bottles that contain aggressive chemicals and products. The liner is resistant to rough materials.

    You can order a larger variety of seals upon request: aluminum liners with cardboard backing, aluminum liners with your logo printed on them, etc., EPE liners with cardboard backing, silicon liners, and more.

    • Prevention of leakage from the bottle or jar.
    • Protecting the product from the penetration of oxygen and moisture and extending the product’s shelf life.
    • Providing tamper evidence, as the first use of the product requires the tearing and removal of the liner.

    Seals and Liners for Closures and Caps FAQ

    What are seals and liners for closures and caps?

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    Seals and liners are thin materials that are placed between a container and its closure or cap. They help to create a tight seal, preventing leaks, contamination, and oxidation of the product inside the container.

    What types of seals and liners does Gil Pack offer?

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    Gil Pack offers a wide range of seals and liners, including induction liners, foam liners, pressure-sensitive liners, heat-seal liners, and more. These are available in different materials, such as PET, HDPE, aluminum foil, and pulpboard, and can be customized according to the customer’s requirements and according to the material that the bottle or jar are made of.

    What are induction liners?

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    Induction seals are a type of liner that creates a hermetic seal when heated by an induction sealing machine. The seal is created between the container and the closure, and provides tamper-evident protection, as well as preventing leaks and preserving the freshness of the product.

    What are foam liners?

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    Foam liners are made of a compressible foam material, such as polyethylene or polyurethane, and are designed to create a barrier between the closure and the container. They provide a cushioning effect that is creating a tight seal that prevents leaks

    How do I choose the right seal or liner for my product?

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    The choice of seal or liner depends on the type of product, the container material, and the closure or cap design. Gil Pack’s team of experts can help you to select the most appropriate seal or liner for your specific needs.

    Can Gil Pack customize seals and liners?

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    Yes, Gil Pack can customize seals and liners according to the customer’s requirements, including size, shape, material, and printing. Customization allows customers to enhance their brand image and ensure the best possible protection for their products.

    What is the minimum order quantity for seals and liners?

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    The minimum order quantity for seals and liners depends on the type of product and the customization requirements. Please contact Gil Pack’s sales team for more information.

    How can I order seals and liners from Gil Pack?

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    You can order seals and liners from Gil Pack by visiting the website and selecting the desired product, or by contacting the sales team directly via phone or email.

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