Kiefel Blown Film Plant
EUROPE (Western and Northern)
Number of layers 3
Film Width (mm) 1800
Extruder 1 Layer ref: A
Screw diam 70mm
Extruder 2 Layer ref: B
Screw diam 90mm
Extruder 3 Layer ref: C
Screw diam 70mm
Die diam (mm) 450 gap 1,7mm
Thickness controll system no
Take off unit Oscillating make Macchi
Corona treatment No
Rewinder max reel diameter 1000
Additional information thickness 20 my to 300my
In a blown film extruder PE granulates (or other polymer) are melted in an extruder and pushed through a circular die extruding a tube of molten polymer.
Tube is then inflated to multiples of its initial diameter and cooled to form a thin film.
Bobble is later collapsed and re-winded.