Bi-oriented extrusion line

Manufacturer KUREHA
Number of layers 7
Film structure ABCDEBG
Material Barrier tubular and lid shrinkable at
low temperature. (e.g.: PE-PE-tie-EVOH-PA-tie-PET
Output max output 210 kg/h.
Max speed at winder 123 m/min.
Film width (mm) 680

Extruders
Extruder A: screw 65mm diam L/D28, output 30-110 kg/h,
max 128rpm Gravimetric dose.
Extruder B: screw 40mm diam L/D24, output 3-13 kg/h,
max 70rpm Gravimetric doser
Extruder C: screw 50mm diam L/D25, output 3-22 kg/h,
max 100rpm Gravimetric doser
Extruder D: screw 55mm diam L/D28, output 16-66 kg/h,
max 100rpm Gravimertic doser
Extruder E: screw 40mm diam L/D24, output 3-13 kg/h,
max 70rpm Gravimetric doser
Extruder F: screw 30mm diam L/D28, output 3-13 kg/h,
max 75rpm Gravimetric doser
Resin dryers: C,D,F

Head Make Kuhrea. (as optional available a
Reifanhauser head also)
Spare Head make Kureha Calibration

Stretching STRETCHING:
Heat Bath: Moist heat and dry heat bath. Pinch system.
Input typical speed Heat bath 37 m/min.
Roller face width after calibration 350mm
Typical output speed heat bath 64m/min.
Heating length 890-2200mm
Stretching: Bubble size: Bubble diameter range: 200-530mm,
layflat film width 315-840mm
Cooling length: 3500-6100mm
Take off: Max speed after stretching 100m/min,
Rollers face width 950mm,
double motor drive HT: Max speed input 103m/min
Relaxation: -30% to +10%
Heat tunnel size: diam 650mm , length 3500mm
Heating HD + air Damper/Sliding length:1750mm
Roller face width 950mm
Thickness gauge
Bubble guide
Rewinder Max winding width 680mm,
Rollers face width 800mm, max speed 120 m/min,
max diam 632mm
Type Triple bubble
Note Lay flat width produced 400-1000mm:
300-680mm n. 6 extruders - 7 layer coex