Battenfeld 3 layer extrusion line

Machine Battenfeld 3 layer extrusion line
Reference number E16017
Machine manufacturer Battenfeld
Type of extruder Blown
Year 1993
Number of layers 3
Diameter die 450 mm
Lip opening 1,4 and 0,5
Diameter screw(s) 120 / 120 / 90
year 1975, 1986 and 1994
Material & Min – Max thickness PE
25 - 150 mu
Max. film width 2000 mm
Max. output 450 kg/hour
Rewind manufacturer Battenfeld
Rewind type Dual stacked turret rewinder
Max. rewind reel diameter 750 mm
Corona treater Yes, Sherman
Including Plastcontrol line management
Subject to unsold. Although believed to be correct, the machine specifications and lists supplied are based solely upon those provided by the original owners.

Extrusion in the flexible packaging industry can roughly be devided in three kinds of extrusion: blown film extrusion lines, cast film extrusion lines and BOPP extrusion lines.

Blown Film Extrusion
Blown film extrusion is the most common technology to produce plastic film. Blown film extrusion is typically carried out upwards vertically.
Film is made out of polymer material. These polymeres are generally in the form of granulate. This material is melted and then forced or extruded through a die. Air is blwon thourgh a hole in the center of the die. This pressure causes a bubble. This bubble is a thin layer of film. The film is pulled upwards from the die to cool down and winded on the a roll.
Blown film extrusion exists in various layers, the more layers the thicker the film.  The process with more layers is called coextrusion.

  • Extruder
  • 3 layer
  • blown film
  • Battenfeld
  • E16017

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