Heat shrink film rolls are widely used in packaging, primarily for creating tight, secure wraps around products. The film shrinks when heat is applied, providing a neat and tamper-evident seal that protects the contents inside. Heat shrink film is used across multiple industries, including food packaging, consumer goods, and industrial applications.

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Features of Heat Shrink Film Roll:

Material Types:

PVC (Polyvinyl Chloride): Offers clarity, gloss, and strength. PVC is commonly used for packaging in the food, beverage, and pharmaceutical industries.

PET (Polyethylene Terephthalate): Used for applications where a more rigid and durable film is required, such as for heavy-duty items or items needing more puncture resistance.

Shrink Ratio:

Heat shrink films typically have a shrink ratio of about 2:1 or 3:1, meaning the film will shrink to 50% to 66% of its original size when heated. This ensures a tight and secure wrap.

Thickness:

Heat shrink film rolls come in varying thicknesses, with 50-100 microns being the most common. The thickness is chosen based on the level of protection needed for the product.

Thicker films provide more durability and are ideal for larger or heavy items, while thinner films are used for smaller products or items requiring a more flexible wrap.

Tamper-Evident & Secure:

Heat shrink film provides a tamper-evident seal, ensuring that the product remains secure during transportation and storage. Once shrunk, the film is difficult to remove without visibly damaging the packaging.

Versatility:

Heat shrink film is used for wrapping individual products, multi-packs, bundling, and even palletizing larger shipments. The film can also be used for custom packaging, such as shrink-wrapping bottles, boxes, or irregularly shaped items.

Transparency & Appearance:

Many heat shrink films, especially PVC and POF, are clear, allowing customers to view the product inside, which is particularly useful for retail packaging. Some films can be printed with logos, branding, and product information.

Opaque or colored films are also available for specific uses where visibility isn’t as critical but where branding or protection from UV light may be necessary.

Easy to Use:

The shrink process involves simply applying heat via a heat tunnel or a heat gun, causing the film to shrink tightly around the product. This makes it efficient and easy to implement in both manual and automated packaging systems.