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Kruś Sp z o.o. Sp K.
Kruś Sp z o.o. Sp K.

Tubular Films


A tubular film is created when a PE material is formed into the shape of a tube. All films such as LDPE, LLDPE, MDPE, or HDPE are extruded as tubular films and then further processed. The following items can be produced using further manufacturing processes: semi-tubular films, flat films, PE blanks, as well as ready-made articles (bags, pockets, hoods, and others).

Tubular films can also be called tubular packaging film, snake film, or pipe film. The manufacturing process of a tubular film is called an extrusion, where PE granules are melted and blown under pressure to form a film tube. As such, the name blown film is also common for this type of product.

Tubular films are supplied by Krus in rolls that fit into the most common packaging machines. 

Ask us about special equipment for your blown film. We can provide UV resistance or even good weldability. With tubular film, you can weld your goods and products yourself.

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Tubular Films

Technical Details

TypesSleeve and/or overlaps, Half-sleeve, Tape
Widthfrom 60 mm to 2100 mm (LDPE), from 190 mm to 2100 mm (MDPE), from 220 mm to 970 mm (HDPE)
Thicknessfrom 13 μm to 200 μm (LDPE), from 13 μm to 200* μm (MDPE, HDPE)
ColorIn accordance with customer requirements
PrintFlexographic printing of up to 8 colors according to pantone
PropertiesThe strength of 15 μm LDPE is inferior to that of HDPE with the same thickness. LDPE is a more stretchable film compared to HDPE; it is more flexible and resistant to tearing. Both types of film have a high resistance to low temperatures, with HDPE performing better than LDPE in that regard.
AdditivesCan be manufactured with certain additives: - UV additive to protect the film from the effects of sunlight - antistatic additive to protect against discharges - slip-enhancing additive for easier packaging or opening - slip-reducing additive to allow easier stacking of products on pallets - additive to facilitate heat shrink (not applicable for HDPE and MDPE) - optional perforation - optional ionization: single-sided, double-sided or segmented - in case of a film intended for printing and lamination
UsageWide range of applications in packaging, food, medical and hygiene industries


  • We pack products according to client’s instructions
  • Foil or cardboard packaging
  • We cooperate with producers of cardboard packaging
  • We pack in own or customer material
  • We cooperate with packaging companies
  • We produce non-standard orders

Quality control

  • All products are checked and controlled at every stage of production
  • We have certificates and attestations for products intended for contact with food


  • We provide our own transport in the area of Poznań
  • We cooperate with transportation companies
  • We perform small-scape and full-pallet shipments

Private Label

  • We offer a whole range of our products in packaging under own brand
  • We adjust dimensions and methods of packaging to the individual needs of our clients
  • We produce collective packaging and labels for own brand of our clients

How Is a Tubular Film Different From Other Films?

A tubular film can be cut into flat bags of individual sizes with millimeter precision welding. For this reason, Krus supplies tubular film in various widths, thicknesses, and qualities.

In contrast to tubular film, a semi-tubular film is open on one side. Semi-tubular film requires one more manufacturing step than tubular film, given that it is cut open on one side by a machine.

The side-gusseted tubular film also requires additional work steps, as folds are made on two sides. This film is ideal for making bags and pouches of custom lengths.

Another special form is the tubular flap film. It is half-open, like a semi-tubular film, and rolled up in such a way that one side protrudes slightly.

Finally, there’s also a special film that shrinks monoaxially or biaxially. Thanks to its unique properties, this type of film adapts optimally to packaged goods.

KRUS - Your Competent Partner for PE Films of All Kinds

Do not hesitate to contact us for more information about the different films and to find out which product is the right one for your project!

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What Material Is Used for the Production of a Tubular Film?

LDPE (Low-density Polyethylene) is the most commonly used material here. However, HDPE (High-density Polyethylene), MDPE (Medium-density Polyethylene), and LLDPE (Linear-low Density Polyethylene) can also be processed into a tubular film. The materials differ in gloss, thickness, and strength.

Contact us to get competent advice and learn which material is best for your needs.

How Can a Tubular Film Be Processed?

Normally, a tubular film is transparent – the packed goods can be easily seen through the film. This is especially useful for both warehousing and the end consumer.

Your tubular film can be dyed in one of the eight colors. If you decide to choose a film with antistatic treatment, your tubular film is going to be pink.

Of course, we can also print the tubular film for you. Your imagination is the limit here, and the possibilities go far beyond simple article information or a logo.

You can use single-grade PE film to pack edibles, as it is non-toxic and made for use in the food industry. Frozen goods can also be wrapped in a food-grade tubular film that has been made specifically suitable for freezing.

As already mentioned, it is also possible to apply an antistatic agent to your film. This prevents the bags from sticking together and is recommended if you want to use the films in a vending machine.

Without UV treatment, PE film is sensitive to sunlight. Fortunately, UV resistance can be achieved through additives. After that, your tubular film should be protected from sunlight for a long time.


No, tubular films are non-toxic. They are an excellent choice for food packaging as they do not contain plasticizers.

Yes, a tubular film is waterproof and very durable at the same time.

Polyethylene is softer than polypropylene. If you can scratch the material with your fingernail, it is PE rather than PP.

Yes, it is possible. Tubular films made of PE can be joined with special hot glue sticks and also 2-component adhesives.

Polyethylene (PE) is a common material in the film production sector, while PVC (polyvinyl chloride) is mainly used in the non-food sectors. It is more resistant to acids, bases, oils, and alcohol. Tubular films made of polyethylene are very suitable for use in food packaging.

Yes, PE can withstand low temperatures without damage.

No, polyethylene tubular films are not UV resistant. Only PE films dyed black or those equipped with UV protection are resistant to sunlight. 

Yes, all PE materials are combustible.

Yes, an old PE film can be recycled back into a new one.

Films, bottles, bags, and other items made of polyethylene can be disposed of in yellow bags and yellow garbage cans.