Stretch Film Extrusion Machine
CT-SW Series Stretch Wrapping Film Blown Film Machine
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The most common products of stretch film are household cling film (small size) or airport luggage packing film (large size).
The SW series has a single layer/ double layer stretch film blown film machine. The differences are :
- Market : Single layer stretch film is sticky on both sides; double layer stretch film is sticky on only one side. Both are used, so you must select according to the local market needs.
- 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.
- Raw material selection : Double layer stretch film can have more material choices, which can reduce the cost of raw materials.