Biaxially oriented polypropylene (BOPP) and Biaxially oriented polyester (BOPET) are commonly produced in tender-frame lines. In these lines material is melted through a flat extrusion die (T-die) and solidified onto a cooled roller. Material is then stretched in machine direction in an MDO. Thereafter material is stretched in transversal direction in a TDO. These processes deliver a molecule orientation in both axes, this enhances many of their properties, particularly the mechanical, impact, barrier and optical properties.
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- Machine Code
- BO77
- Manufacturer
- BRUCKNER
- Year
- 1999
- Number of layers
- 5
- Film structure
- ABCDE
- Material
- BOPP
- Output
- 360 m/min
- Width (mm)
- 6600
- Extruder 1 Description
- A- Type: single screw, Make Bandera, output 250 kg/h, dosing system
- Extruder 2 Description
- B- Type: single screw, Make Bandera, output 300 kg/h, dosing system
- Extruder 3 Description
- C- Main extruder. Type Cascade, Make Bandera, Output 3.000 kg/h, BMS gravimetric dosing system
- Extruder 4 Description
- D- Type: single screw, Make Bandera, output 300 kg/h, dosing system
- Extruder 5 Description
- E- Type: single screw, Make Bandera, output 250 kg/h, dosing system
- Head description
- Cloren automatic die
- Die width
- 1026
- Thickness controll system
- Automatic thickness control. 2 thickness gauges. First afetr casting make: Themrofischer (FAG) beta rays, source: Prometium 147, second after stretching,
- Chill roll unit
- Water bath type. Chill roll diam 2600mm
- MDO description
- 25m preheating, 15 m stretching, 21m anealing
- TDO description
- Bruckner. Cahin type FOK.4.4.4.
- Flame treatment
- Make Esseci
- Rewinder width
- 6600
- Rewinder description
- Turret type
| Machine Code | BO77 |
| Manufacturer | BRUCKNER |
| Year | 1999 |
| Number of layers | 5 |
| Film structure | ABCDE |
| Material | BOPP |
| Output | 360 m/min |
| Width (mm) | 6600 |
| Extruder 1 Description | A- Type: single screw, Make Bandera, output 250 kg/h, dosing system |
| Extruder 2 Description | B- Type: single screw, Make Bandera, output 300 kg/h, dosing system |
| Extruder 3 Description | C- Main extruder. Type Cascade, Make Bandera, Output 3.000 kg/h, BMS gravimetric dosing system |
| Extruder 4 Description | D- Type: single screw, Make Bandera, output 300 kg/h, dosing system |
| Extruder 5 Description | E- Type: single screw, Make Bandera, output 250 kg/h, dosing system |
| Head description | Cloren automatic die |
| Die width | 1026 |
| Thickness controll system | Automatic thickness control. 2 thickness gauges. First afetr casting make: Themrofischer (FAG) beta rays, source: Prometium 147, second after stretching, |
| Chill roll unit | Water bath type. Chill roll diam 2600mm |
| MDO description | 25m preheating, 15 m stretching, 21m anealing |
| TDO description | Bruckner. Cahin type FOK.4.4.4. |
| Flame treatment | Make Esseci |
| Rewinder width | 6600 |
| Rewinder description | Turret type |
BRUCKNER - DORNIER
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Machine Code: BO80
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Year: 1994
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Width (mm): 8400