Use the Reitruder for the compounding of heat-resistant polymers and recycled PET flakes, or for direct extrusion in extrusion lines – to save raw materials for production on a high-quality level.

Smart compounding, easy direct extrusion.

Reitruder technology uses co-rotating screws. We have adopted this twin-screw technology for use in direct extrusion lines, mainly for inline compounding, and so combined several processing steps into a single one.

Modular system
Configuration of the appropriate extruder.

Barrels and screws can optionally be combined to form a plasticizing unit with raw material feeding, venting or degassing. Geometry and length of the co-rotating screws can be adapted to the specific application. The order in which the kneading and mixing elements are arranged can be freely selected, depending on the recipe, to obtain the best possible configuration.

Easy integration of the Reitruder into the line.

With low heights from 465 mm onwards, the Reitruder is suitable for new applications. The screw can be extracted also to the rear. That saves the costly disassembly of the downstream equipment and reduces set-up times by about one day.

Processing 100 percent recycling material.

In combination with efficient vacuum units, the Reitruder technology enables the direct processing of post-consumer PET bottle flakes - without energy and time consuming predrying.

Cutting raw material costs by 30 percent.

Our Reitruder twin-screw extruder technology can handle high contents of additives and fillers. Fillers like calcium carbonate or talcum can be directly includet into the process. Thanks to the direct extrusion, you can also reduce energy costs: In the Reitruder, the polymer is processed from source material to final product in one production process, without intermediate compounding and re-melting.

Two systems for different applications.

The Reitruder portfolio includes two series with different outer to inner diameter ratios.

Reitruder I
Flat co-rotating twin-screw extruder

  • Flat design
  • Temperature-sensitive homogenization of the melt
  • Multi-purpose use

Reitruder II
Deep co-rotating twin-screw extruder

  • Deep design
  • Optimal feeding behaviour of materials with low apparent density
  • Handling of high contents of fillers such as talcum or chalk

Your contact


Desiree Aringhoff

Human Resources

+49 2241 23510-169 desiree.aringhoff@reife...


Tanja Kühn-Söndgen

Public Relations

+49 2241 23510-480 tanja.kuehn-soendgen@re...


Jörg Stolz

Director of purchasing

+49 2241 23510-687 joerg.stolz@reifenhause...

Research & Development

Dr. Paul Walach

Head of Technology

+49 2241 481-206 Paul.Walach@reifenhause...


Volker Pütz

Sales Coordinator

+49 2241 481-553 volker.puetz@reifenhaus...


Markus Schroeder

Service Director

+49 2241 481-167 markus.schroeder@reifen...

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