FILMS

Polyolefin films

Cross-linked polyolefin (POF) shrink films are a versatile material for products of different shapes on semi-automatic and high-speed automatic Flow-pack lines. Suitable for a wide range of food and non-food products.

About the material

The enhanced elasticity of polyolefin films supports a wide range of applications. Unlike PVC films, they allow products to be packed without deformation: grouped egg trays, stationery, magazines, brochures, products on thin backing boards and in containers, vegetables, bread and other foods.

POF films are based on polyethylene (PE). Unlike PVC films, they do not release toxic chlorine or vinyl fumes during shrinking and do not affect the taste of the packed food.

Properties and applications

Food products	Bakery products and confectionery. Fruit and vegetables. Meat, fish, poultry and seafood.
Non-food products	Books, magazines, brochures, frames and photo albums. Disposable tableware. Toys. Machine parts. Household goods. Secondary packaging for cartons and boxes. Other products.
Benefits and available formats	High film elasticity. Excellent optical properties, including clarity and gloss. Uniform film thickness: 11–25 µm. Good material memory — recovery of the original shape. Close conformity to the product's surface. High tear and puncture resistance. High resistance to oils, fats and solvents. Strong, flexible sealing seams, soft pliable edges and high mechanical strength even at low temperatures. Suitable for manual, semi-automatic and automatic machines. During use, POF film does not emit harmful gases, leave carbon deposits on sealing elements or cause equipment corrosion. Formats: flat film, centre-folded film and perforated versions.

Features and options

Anti-fog protection
Surface printing
High puncture resistance

Application examples

Discuss this material with DEE INTRA ↗

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What to consider when selecting a material

For polyolefin film, specify product dimensions, the sealing method and shrink equipment. State whether individual or multipack wrapping, perforation or centre-folded film is needed. Film format and machine settings are selected for the product.

Selection questions

What is polyolefin film used for?

It is used for shrink wrapping products on compatible equipment. Select the required format for the item’s dimensions and shape.

Can it replace a barrier vacuum bag?

Do not treat these materials as interchangeable. Shrink wrapping and barrier vacuum packaging serve different purposes.

How are thickness and format selected?

Consider product dimensions, weight and shape, pack stresses and equipment. Verify the selection on the finished wrapped item.

Can previous shrink-tunnel settings be retained?

Trial the new material in the process. Match sealing and shrinking settings to the specific film and product.

How should sharp product edges be considered?

Assess the risk of film damage during wrapping and handling. Discuss product geometry and protection requirements before selecting the material.

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