Windmoller & Holscher Varex blown film plant

Number of layers 3
Film structure A B C
Material LDPE, LLDPEµm 20 – 250 HDPEµm 8 – 100
Film Width 2600
Output (Kg/h) Output Capacity: 1200 kg/h

Extruder 1 Layer ref: A
Screw diam 1 90 . 30D
Max power 104 kW Control and adjustment system CANTRAC- Hydraulic filter change

Extruder 2 Layer ref: B
Screw diam 2 120 .30D
Power 200 kW..Control and adjustment system CANTRAC- Hydraulic filter change

Extruder 3 Layer ref: C
Screw diam 3 90 . 30D
Max power 104 kW Control and adjustment system CANTRAC

Head description MAXICONE C TYPE 450 / 630 - 3 with heating and
profile adjustment OPTIFIL P3 .
Die diam (mm) 630 with lips heating,
Thickness controll system Thickness measuring Kundig - profile adjustment
OPTIFIL P2K , cooling ring MULTICOOL 2100 with isert for dual òip inflate ratio 1,5 - 2,4
Bubble cage Calibration basket Nostic Aircage with 9 segments width 870 mm up
to 2600 mm width
Take off unit Oscillating
Corona treatment MeRo
Web guide yes
Rewinder Type FILMATIC S
Rewinder max reel diameter 1200 diam max reel
Rewinder description Back to back .diam max reel 1200 mm for
shafts 3¨& 6¨. Web tension 30 - 350 N ,
Multinip rotating haul off, speed up to 200 mt/min
Heat exchangers Tower not included

Blown film extrusion lines are commonly used to extrude plastic films for
flexible packaging industry.