Stretch Film
Normally stretch film is used for cling film or wrapping film. There are single layer and double layer type to be chose, customers can choose according to their requirements.
What Is Stretch Film?
Stretch film is a plastic film with high elasticity and malleability, commonly used for packaging and bundling items. Its main feature is that it can stretch and wrap things securely, providing good protection and fixation. Stretch films are typically made from LDPE or LLDPE.
How To Choose Single-layer Or Double-layer Stretch Film?
Our CT-SW series has single-layer / double-layer stretch film blown film machine. The differences are:
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Market
Single-layer stretch film is adhesive on both sides; while double-layer stretch film is adhesive on only one side. Both types are used by customers, so the choice should be based on the demand of the local market.
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Glue cost
For example, use 50kg of material to produce single-layer stretch film, mixed with 5% glue, so the glue usage is 2.5kg; use 50kg of material to produce double-layer stretch film, two extruders 25kg each, one of the extruders is mixed with 5% glue, and the glue usage is only 1.25kg. Therefore, the glue usage for making double layer stretch film is less.
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Raw material selection
Double layer stretch film can have more material choices, which can reduce the cost of raw materials.
Stretch Film Uses
- Packaging protection: Stretch film is widely used in industrial and logistics sectors, especially to bundle multiple items together to prevent movement or damage during transportation.
- Luggage protection: The most common application is wrapping luggage at airports to protect the suitcases from being scratched or damaged during transportation.
- Dust-proof and moisture-proof: Stretch film can isolate items from dust and moisture in the external environment.
- Food packaging: Stretch film is also used in the food industry to keep food fresh and prevent moisture or rot.
