1 layers UNION blown film plant

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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.

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Machine Code
EX574
Manufacturer
UNION
Year
2002
Number of layers
1
Film structure
A
Film Width
2500
Extruder 1 Layer ref:
A
Screw diam 1
90mm
Description 1
gravimetric dosing unit 4 components
Head description
Rotating die
Die diam (mm)
450
Bubble cage
yes
Panel for gussets
yes max 700 + 700
Corona treatment
Cason double side year 2005
Web guide
yes
Rewinder Type
Double back to back
Rewinder max reel diameter
1000
Rewinder description
automatic
Note
including Tower structure spare screw and barrel additional die 350 mm
Machine Code EX574
Manufacturer UNION
Year 2002
Number of layers 1
Film structure A
Film Width 2500
Extruder 1 Layer ref: A
Screw diam 1 90mm
Description 1 gravimetric dosing unit 4 components
Head description Rotating die
Die diam (mm) 450
Bubble cage yes
Panel for gussets yes max 700 + 700
Corona treatment Cason double side year 2005
Web guide yes
Rewinder Type Double back to back
Rewinder max reel diameter 1000
Rewinder description automatic
Note including Tower structure spare screw and barrel additional die 350 mm
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