Double and Triple Bubble Film Extrusion Line

Number of layers: 7
Film structure: A, B, C, D, E, B, G
Material: Barrier tubular and lid shrinkable at low temperature, e.g. PE-PE-tie-EVOH-PA-tie-PET
Output: maximum 210kg/h
Maximum speed at winder: 123m/min
Film width: 680mm
Extruder A: screw 65mm diameter L/D28, output 30-110kg/h, maximum 128rpm, Gravimetric dose
Extruder B: screw 40mm diameter L/D24, output 3-13kg/h, maximum 70rpm, Gravimetric doser
Extruder C: screw 50mm diameter L/D25, output 3-22kg/h, maximum 100rpm, Gravimetric doser
Extruder D: screw 55mm diameter L/D28, output 16-66kg/h, maximum 100rpm, Gravimetric doser
Extruder E: screw 40mm diameter L/D24, output 3-13kg/h, maximum 70rpm, Gravimetric doser
Extruder F: screw 30mm diameter L/D28, output 3-13kg/h, maximum 75rpm, Gravimetric doser
Resin dryers: C, D, F
Kuhrea, as optional available a Reifenhauser head also spare head make Kureha Calibration

Stretching: heat bath, moist heat and dry heat bath
Pinch system
Input typical speed heat bath: 37m/min
Roller face width after calibration: 350mm
Typical output speed heat bath: 64m/min
Heating length: 890-2200mm
Stretching bubble diameter range: 200-530mm
Lay flat film width: 315-840mm
Cooling length: 3500-6100mm
Take off: maximum speed after stretching 100m/min
Rollers face width: 950mm
Double motor drive
HT: maximum speed input: 103m/min
Relaxation: -30% to +10%
Heat tunnel size: diameter 650mm, length 3500mm
Heating HD + air damper/sliding length: 1750mm
Roller face width: 950mm
Thickness gauge
Bubble guide
Rewind: maximum winding width 680mm
Rollers face width: 800mm
Maximum speed: 120m/min
Maximum diameter: 632mm
Lay flat width produced: 400-1000mm, 300-680mm
Extruders: x 6
Coex: 7 layer