Leading Technologies for Polymer Processing and Recycling
In addition to unique technologies, systems and components for plastics processing, Gneuss also offers complete turnkey solutions for the production of high quality sheet, strapping, fiber and pellets.
Since its founding in 1983, Gneuss has grown to become a worldwide technology leader for the extrusion of polymers and the reprocessing of all kinds of polymers.
Based in Bad Oeynhausen, Germany, Gneuss is committed to the expectations of products “made in Germany” while serving our customers world-wide.
A technology center for processing technical trials and development work is available at Gneuss´ headquarters in Bad Oeynhausen. Additional pilot lines are available for trials at our subsidiary, Gneuss Inc. in the USA and at our cooperation partner, SysTech in Japan.
Leading Recycling Technologies
Polymer and extrusion technologies
Extrusion technology
Gneuss’ MRS Extrusion System offers new possibilities in the venting or devolatilization of polymer melts.
Filtration technology
The patented Rotary Filtration Systems and screen changers enable fully automatic, process and pressure constant filtration.
Polyreactor Technology
The JUMP reactor reprocesses industrial and post-consumer PET waste to high value products.
Measurement technology
Gneuss Melt Pressure and Temperature Sensors are characterized by their extremely high precision, combined with a high degree of robustness.
Turnkey Solutions
Sheet Lines
Gneuss sheet extrusion lines are flexible and can be operated with recycled material and / or virgin material. Sheet made from recycled material is suitable for food contact applications.
Strapping Lines
With Gneuss PET strapping lines, polyester strapping tape with a high tensile strength can be manufactured from 100 % recycled material.
Pelletizing Lines
Gneuss pelletizing systems produce excellent quality pellets, which are thanks to the MRS extrusion process already suitable for processing to food contact products.
Fiber & Filaments
Undried PET post-consumer bottle flakes or production waste with different viscosities can be processed into high-quality fibers.
Degassing & Decontamination of PS / PE / PP / PA
The Gneuss MRS extrusion concept is used in different applications for devolatilization and decontamination of polymers.
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Tray to Tray Recycling
If a circular economy is to be realised, it will be necessary to consistently recycle post-consumer thermoformed PET trays back into PET trays. The recycling of regrind from post-consumer PET trays to new sheet for PET trays presents challenges for the recycling process. For this demanding process, Gneuss has developed the innovative MRSjump Extruder.
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Recycling in ABS and PS sheet production
By choosing the right screenchanger, the recycling content and thus the efficiency in the production of PS or ABS sheets can be significantly increased. Process stability and product quality remain undisturbed even when production waste is used, thanks to the process-constant and pressure-stable melt filtration.
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PET Fiber Recycling
Several customers, including large fiber manufacturers in China and Belarus, have decided to use key components from Gneuss. With these they were able to convert existing fiber lines with low investment costs, so that the complete fiber waste can be processed into high quality fibers. And this is even possible for the production of drawn yarns.
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