CMG Blown Film Machine
EUROPE (Western and Northern)
Number of layers 1
Film structure A
Film Width (mm) 1600
Extruder 1 Layer ref: A
Screw diam 70 L/D 30
Description Gravimetric dosing unt 1 comp
Die diam (mm) 240
Take off unit Oscillating
Rewinder max reel diameter 800
Rewinder description Slit / Weld unit to obtain 3 rolls
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.