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Gneuss Kunststofftechnik GmbH

Booth number: Hall 2 22C32

About us

Gneuss Kunststofftechnik GmbH is one of the technology leaders on the world market in the sector of plastics processing. Since its foundation in 1983, Gneuss has made a name for itself as a supplier of innovative solutions for the plastics processing industry. The company’s business is divided into three sectors: Filtration Technology: Development and production of fully-automatic, pressure-constant and process-constant filtration systems / screen changers for the filtration of plastic melts. Processing Technology: Engineering/manufacture of extruders and sales of extrusion lines for further processing of PET recycling and polymer material. At the beginning of 2011, the Gneuß PET recycling process received a
“Letter of Non-Objection” (LNO) by the US American Food and Drug Administration (FDA), for the use of up to 100 % recycled material. Measurement Technology: Production of measurement and control technology, e.g. pressure transducers and temperature sensors.

Products and services

Gneuss has been at the forefront of polymer recycling technology for over 30 years now and offers a range of innovative solutions for the processing and recycling of polymers.

Gneuss´ systems are optimised for the challenges of PET recycling. They are perfectly harmonised with one another and their modular design can be configured flexibly. The Gneuss-Processing-Unit (GPU), consisting of the unique Gneuss MRS Extruder, Rotary Filtration Systems and Online Viscometer represent the heart of the Gneuss recycling systems.

With the MRS Multi Rotation System, Gneuss provides a processing system, which can handle a wide range of input materials with different qualities and properties. It can process 100 % recycled material without pre-drying or crystallising. Polymer purification takes place not only in the MRS extruder but also in the Gneuss Rotary Filtration Systems which ensure a purified polymer melt, without foreign particles or specks.

Gneuss Processing Unit (GPU) with MRS-Extruder, Rotary Filtration System RSFgenius and Online Viscometer VIS

Gneuss Processing Unit (GPU) with MRS-Extruder, Rotary Filtration System RSFgenius and Online Viscometer VIS

The Gneuss Processing Unit (GPU) is a modular configuration of different Gneuss products and technologies, which are combined in to a high performance extrusion line for the manufacturing of high quality products.

Pressure and process constant Rotary Filtration System RSFgenius

Pressure and process constant Rotary Filtration System RSFgenius

Patented Rotary Filtration System with back-flushing piston for demanding applications and highest quality requirements. These screen changers offer absolute process and pressure consistency with high flexibility and fully-automatic operation with integrated self-cleaning.

News & Innovations

PET Foam - new at the Interplastica 

At the Interplastica, Gneuss will present its latest development in PET sheet: the manufacture of PET foam sheet.

The sheet lines from Gneuss are characterised by their extremely flexible operation with regard to the input material and the sheet manufactured. These sheet extrusion lines can be quickly and flexibly switched to foam sheet. The MRS foam sheet module enables a weight / density reduction of over 50 %, and this from input materials of up to 100 % post consumer material, regrind, virgin or blends of these materials. With equivalent mechanical product properties, a wide range of PET foam products for food packaging can be manufactured cost efficiently.

Thanks to the excellent low shear mixing properties of the MRS extruder, both the nucleating and the blowing agent are completely dispersed and homogenously distributed in the polymer melt. After extrusion and filtration, the polymer melt is conditioned so that it has the optimum viscosity and ductility so that material foams with the required density as it emerges from the die.


Gneuss Kunststofftechnik GmbH
Moenichhusen 42
32549 Bad Oeynhausen

Phone: +49 5731 53070
Fax: +49 5731 530777

Nazifa Kaluza
Sales Manager Russia
Phone: +49 5731 530744

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