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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
- EX620
- Manufacturer
- WINDMÖLLER & HÖLSCHER
- Year
- 2000
- Number of layers
- 5
- Film structure
- A-B-C-D-E
- Material
- LDPE, LLDPE, Barrier film with EVOH
- Output (Kg/h)
- 500
- Extruder 2 Layer ref:
- B
- Screw diam 2
- 50
- Extruder 3 Layer ref:
- C
- Screw diam 3
- 60
- Extruder 4 Layer ref:
- D
- Screw diam 4
- 50
- Head description
- Automatic by heat patrons + cooling ring + Optifil
- Die diam (mm)
- 500 with 2.8mm and 1.8mm gaps
- Note
- List of included parts: - coex5 head with IBC blowers - 2 extruders 50mm + 1 extruder 60mm Electric boards and control panel of die/extruders/gravimetrics/Optifil Power and control El.cables 2 radiators for air water cooling of the bubble 1 exact cyclop for trim recycling (not working)
| Machine Code | EX620 |
| Manufacturer | WINDMÖLLER & HÖLSCHER |
| Year | 2000 |
| Number of layers | 5 |
| Film structure | A-B-C-D-E |
| Material | LDPE, LLDPE, Barrier film with EVOH |
| Output (Kg/h) | 500 |
| Extruder 2 Layer ref: | B |
| Screw diam 2 | 50 |
| Extruder 3 Layer ref: | C |
| Screw diam 3 | 60 |
| Extruder 4 Layer ref: | D |
| Screw diam 4 | 50 |
| Head description | Automatic by heat patrons + cooling ring + Optifil |
| Die diam (mm) | 500 with 2.8mm and 1.8mm gaps |
| Note | List of included parts: - coex5 head with IBC blowers - 2 extruders 50mm + 1 extruder 60mm Electric boards and control panel of die/extruders/gravimetrics/Optifil Power and control El.cables 2 radiators for air water cooling of the bubble 1 exact cyclop for trim recycling (not working) |
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