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
- EX722
- Manufacturer
- BANDERA
- Year
- 1993
- Number of layers
- 1
- Overhaul/renovation
- screw and barrel 2021, all CC motors,
- Material
- LDPE/LLDPE
- Film Width
- 2200
- Output (Kg/h)
- max 300
- Extruder 1 Layer ref:
- lever filterchanger
- Screw diam 1
- 80
- Head description
- Rotating
- Die diam (mm)
- 250
- Bubble cage
- yes
- Panel for gussets
- Yes
- Take off unit
- Fixed
- Corona treatment
- Yes
- Web guide
- Yes
- Rewinder Type
- Double back to back
- Rewinder max reel diameter
- 800
- Rewinder description
- 2 steel air shafts and 4 aluminium shafts
| Machine Code | EX722 |
| Manufacturer | BANDERA |
| Year | 1993 |
| Number of layers | 1 |
| Overhaul/renovation | screw and barrel 2021, all CC motors, |
| Material | LDPE/LLDPE |
| Film Width | 2200 |
| Output (Kg/h) | max 300 |
| Extruder 1 Layer ref: | lever filterchanger |
| Screw diam 1 | 80 |
| Head description | Rotating |
| Die diam (mm) | 250 |
| Bubble cage | yes |
| Panel for gussets | Yes |
| Take off unit | Fixed |
| Corona treatment | Yes |
| Web guide | Yes |
| Rewinder Type | Double back to back |
| Rewinder max reel diameter | 800 |
| Rewinder description | 2 steel air shafts and 4 aluminium shafts |
MACCHI COEX 7
-
Machine Code: EX753
-
Year: 2004
-
Film Width: 1800
BATTENFELD
-
Machine Code: EX512
-
Year: 2003
-
Film Width: 2200