viscoSTAR - rPET solid state polycondensation plant


Solid state polycondensation plant for iV increase and decontamination of polyester pellets and/or flakes to be used after a pelletizing extruder, stand alone, or in front of a production extruder.

viscoSTAR benefits:

  • Fast iV increase
  • Consistent and adjustable iV
  • Decontamination time
  • Continuous output
  • Superior color values
  • AA values

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Applications of Viscostar in various combinations
  1. stand alone

  2. in combination with recycling extruder
  3. in front of production extruder

technical data

Max. output with pellets1 [kg/h]*80012001800200025003500
Max. output with flakes2 [kg/h]*800120018002000--
Equipment hight [m]1011.613.114.613.616.1
Net volume of reactor [m3]*7.010.714.
Energy consumption [kWh/kg]*0.06-0.15
iV increase pellets/flakes [dl/g/h]*0.01-0.04
Food grade according toEFSA, FDA, brand owner approvals

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Plants installed

+11 % in the last 6 months


Installed capacity in tons

+16.4 % in the last 6 months

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