Shrink films in half-tube form: The flexible polyolefin packaging solution

April 29, 2026

Shrink wrap in the form of a half-tube

Polyolefin fine-shrink film in the form of half-tube film is one of the most popular films for automated packaging in industry and retail. Half-tube film consists of a flat plastic tube that is open on one or both sides—when unfolded, it is twice as wide as when supplied on the roll. The product is simply inserted into the open half-tube, after which the film is heat-sealed around the product and shrunk. Depending on the packaging method, one side (or both sides) is sealed during the packaging process using heat sealing.

Polyolefin fine-shrink film in half-tube form (PO) is suitable for various automatic packaging machines and can be processed equally well with side-sealing machines, shrink wrappers, and angle-sealing machines. The film’s high machine compatibility and flexibility ensure smooth processing. Depending on the packaging machine and the product, the wrapping direction used for packaging can be customized.

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Whether used as collective packaging to bundle multiple-item units or for packaging individual items, fine shrink film in half-tube form is often the film of choice for packaging food and non-food items . Its biaxially shrinkable properties ensure that the shrink film shrinks both lengthwise and widthwise, fitting snugly around the product. This guarantees that the original product remains intact, ensures a wrinkle-free presentation, and provides reliable protection—all while being more space-efficient and lighter than cardboard packaging, with full transparency.

Product Line, Strengths, and Dosage Forms

We offer a wide range of polyolefin fine-shrink film, available either as half-tube film or flat film, in many different thicknesses and varieties. The half-tube fine shrink film is available in various widths and thicknesses and is supplied on rolls with a core diameter of either 76 or 152 mm. Upon request, we can customize the roll lengths to meet the requirements of your packaging machine—even for custom lengths and quantities—thereby preventing unnecessary material waste and helping to protect the environment.

The high shrinkage rates of polyolefin fine-shrink films provide optimal protection by forming a tight seal around the product. Despite their thin gauge, these shrink films offer high tear and puncture resistance, which reliably protects the goods. A wide range of additional features ensures the right solution for every packaging need.

Polyolefin heat-shrink tubing in the form of a half-tube

BF-Ultimate+ – the all-around film in a class of its own

With extremely high shrinkage rates, the BF-Ultimate+ polyolefin fine-shrink film is a top-of-the-line all-purpose film—and, of course, it’s also available as a half-tube film.

The highly transparent and high-gloss BF-Ultimate+ is a 5-layer, cross-linked, and electronically cross-linked film. This high-tech film offers extremely high seal strength and excellent processing properties on a wide range of packaging machines. In addition to its shrinkage rate of up to 88%, it impresses with its exceptional transparency and brilliance—the excellent gloss highlights the high quality of the packaged items.

BF-Ultimate+ fine shrink film is 100% food-safe and is just as suitable for food packaging as it is for packaging non-food items in the pharmaceutical and electronics industries. It is 100% recyclable in the LDPE04 stream. Many fine shrink films shrink even at low temperatures, which shortens sealing times and allows for use with heat-sensitive products.

More information about the BF-Ultimate+

Additional Models and Features

The polyolefin fine-shrink film, available in a half-tube format, comes with numerous additional features depending on your requirements. Upon request, the film can be supplied with hot-needled perforations in P1 (small) or P2 (large) patterns—the perforations allow air to escape during shrinkage, ensuring clean shrink results. ESD treatment for antistatic products such as electronic components and printed circuit boards is available, as is treatment for food packaging. The fine shrink film can be printed with up to 10 colors using gravure printing or supplied unprinted in various versions.

The Right Semi-Tubular Shrink Film for Your Needs

Thanks to our highly flexible film manufacturing capabilities and extensive inventory, we’re here to help even when you need delivery on short notice. Comprehensive services and a high level of support are extremely important to us in our customer relationships—with decades of experience, we’re here to assist you with any questions you may have about optimal packaging.

Would you like more information about our packaging solutions? Please contact us—we’ll provide you with comprehensive, personalized advice on the packaging solution that’s best for you.

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Article by Schlichter GmbH

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