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TSKaskade Unity


The Theysohn TSKaskade UNITY series is the result of the development of combinations of co-rotating and counter-rotating extruder types. The TSKaskade UNITY series was developed in particular due to the need for high-performance extruder systems and offers not only added value for classic PVC extrusion customers but also for highly filled and temperature sensitive technical compounds as well as a variety of other applications.

Maximum variety for the optimal adaptation of processing can be achieved thanks to the possibility of using the co-rotating high torque TSK series, or alternatively the TSK-HV high-volume design in combination with the counter-rotating CON series.

THEYSOHN in-line system technologies complete the material cycle, permitting significant cost savings, among other benefits. We achieve this through the use of hard PVC recycling secondary raw materials in previously unattainable proportions of recyclate and fillers. The area of application for the new compounds and the semi-finished qualities include pipe, profile and cable extrusion as well as in high-quality injection moulding compounds through the use of the TSKaskade UNITY technology.


  • Complete technical separation of product infeed/plasticizing/dispersion/incorporation/degassing from the required pressure build-up, etc
  • Very high melting temperature reductions are possible due to barrel cooling and intensive screw shaft cooling
  • Careful use of the TSK Extruder
  • Elimination of pressure fluctuations and pressure pulsations => maximum conveyor rigidity guarantees constant product output
  • Increase in throughput
  • Improvement in product quality
  • Continuous processes means low specific energy consumption
  • Simple line start
  • Less start-up material
  • Savings in raw material










Tasks for co-rotating extruder

  • Product intake for granules, powders, flakes
  • Plastification
  • Atmospheric degassing of the melt
  • Incorporation of filler and reinforcing materials
  • Mixing/homogenization of the melt
  • Vacuum degassing of the melt
  • Pressure reduced transfer of the product

Tasks for discharge extruder

  • Max. efficient product entry
  • Reduction of the melt temperature
  • Keeping constant the volume flow
  • Pressure build-up for tools and downstream equipment
  • Pulsation-free discharge

Tasks for Co-Extruder

  • Co-Extrusion of the inner- and outer layer (min. 0,5 mm)

Examples of use "Inline processes" application

  • Polyolefine Multi layer pipe, max load CaCo3, BaSo4, TiO2
  • PVC inline pipe extrusion (~1000 kg/h and higher)
  • Calender loading
  • Recycling profile
  • Hotmelts
  • Replacement of mixing systems to continious processes
  • Polyolefines sheets and profiles, high filled
  • ABS, PC, PET sheets
  • Rubber technology
  • Roofing and floor sheet PVC, TPU, TPO

Examples of use "Pelletizing" application

  • Masterbatch white, max. load CaCo3, BaSo4, TiO2
  • TPE compounding
  • Cable compounds (low, medium, high voltage)
  • HFFR/Flame retardants
  • Masterbatch black, max. load
  • TPU, TPO, TPU reaction
  • Cross linked polymers
  • Food
  • Polyolefines + WPC or Cellulosics, Rice, hemp
  • PVC for medical technology
  • Soft and hard PVC
  • PVC, max load CaCo3

Tasks for recycling

  • Recycling from PVC and Polyolefine