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
- EX717
- Manufacturer
- BIELLONI
- Year
- 1998
- Number of layers
- 1
- Film structure
- Blends
- Material
- LDPE for heavy duty sacks
- Film Width
- 1200
- Output (Kg/h)
- 150
- Extruder 1 Layer ref:
- 80 LD30
- Screw diam 1
- 80mm
- Description 1
- manual screenrchanger
- Die diam (mm)
- 200
- Thickness controll system
- By touching element
- Bubble cage
- Yes
- Panel for gussets
- Yes
- Take off unit
- Oscillating
- Corona treatment
- Cason
- Web guide
- Yes
- Rewinder Type
- Double back to back
- Rewinder max reel diameter
- 1000
- Note
- Two cooling rings, one for tubulars and one for films Gravimetric system Contrex Corona treater Cason.
| Machine Code | EX717 |
| Manufacturer | BIELLONI |
| Year | 1998 |
| Number of layers | 1 |
| Film structure | Blends |
| Material | LDPE for heavy duty sacks |
| Film Width | 1200 |
| Output (Kg/h) | 150 |
| Extruder 1 Layer ref: | 80 LD30 |
| Screw diam 1 | 80mm |
| Description 1 | manual screenrchanger |
| Die diam (mm) | 200 |
| Thickness controll system | By touching element |
| Bubble cage | Yes |
| Panel for gussets | Yes |
| Take off unit | Oscillating |
| Corona treatment | Cason |
| Web guide | Yes |
| Rewinder Type | Double back to back |
| Rewinder max reel diameter | 1000 |
| Note | Two cooling rings, one for tubulars and one for films Gravimetric system Contrex Corona treater Cason. |
