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The Gneuss MRS extruder.
The Gneuss MRS extruder.

The Gneuss recycling process based around the MRS extruder has received a large number of approvals for processing up to 100 % post- consumer and industrial polymer waste to food contact products.

This year, Gneuss obtained food contact approval from Anvisa in Brazil. This approval is for the Gneuss PET process for recycling PET post-consumer and post-industrial waste to sheet for thermoforming to food contact containers. It is a significant contribution toward increasing polymer recycling.

In Latin America, the Gneuss recycling process has also achieved the standards set by the Colombian food safety agency, Invima and its Argentinian counterpart, Senasa for processing 100 % post-consumer PET waste to food contact products.

In Europe, the Gneuss recycling process has passed the EFSA challenge test for the processing of 100 % post-consumer PET.

A study by the British charity for promoting recycling, “Waste and Resources Action Programme” (WRAP) in 2016 showed that with the help of the Gneuss Recycling Process, it was possible to take post–consumer thermoformed PET pots, tubs and trays from household waste and recycle them back into the same products, for food contact. Unlike the re-processing of PET bottle flake to sheet for thermoforming, this process is a circular one.

Thanks to the unparalleled devolatilisation performance of the Gneuss MRS extruder, contaminants such as oils, other harmful volatiles and also odours are efficiently removed from washed PET scrap without the need for pre-drying or any other heat treatment of the material prior to extrusion.

Avoiding the need for heat treatment of the material prior to extrusion saves not only investment and energy costs, a whole inflexible process is eliminated, together with the risk of damage to the material.

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