{"id":37676,"date":"2020-09-08T10:26:16","date_gmt":"2020-09-08T08:26:16","guid":{"rendered":"https:\/\/packaging-journal.de\/?p=37676"},"modified":"2020-09-08T10:26:16","modified_gmt":"2020-09-08T08:26:16","slug":"100-per-cent-recycled-yoghurt-pots","status":"publish","type":"post","link":"https:\/\/packaging-journal.de\/en\/100-prozent-recycling-joghurtbecher\/","title":{"rendered":"Initial tests successful: yoghurt pot made from 100 per cent recycled material"},"content":{"rendered":"

The goal was clear from the outset: to produce food packaging from recycled polystyrene. The plastic recyclate has not yet been approved for food applications. However, packaging manufacturer Greiner Packaging believes it is in a position to produce a yoghurt pot from 100 per cent recycled material. According to the company, corresponding trials in Switzerland have been successful.<\/p>\n

Greiner has been on the market for some time with the K3 yoghurt pot. It consists of an environmentally friendly and attractively printable cardboard-plastic combination. This cup is now the subject of a project carried out by Greiner Packaging in Switzerland. With this development, the company wants to emphasise the outstanding recyclability of polystyrene (PS).<\/p>\n

Recycled PS is to be used to produce packaging for foodstuffs. In this project, 100 % mechanically recycled PS was combined with 100 % recycled cardboard for the first time. The whole process was tested for the typical Swiss dual yoghurt packs. According to the company, the results are promising.<\/p>

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Currently being tested: Dual yoghurt packs with 100 % mechanically recycled PS (Image: Greiner Packaging)<\/figcaption><\/figure>\n

100 % mechanically recycled PS processed for the first time<\/strong><\/h2>\n

In tests, PS has proven its excellent suitability for mechanical recycling with high purity values. In fact, mechanically recycled PS achieves purity values of 99.9 % and therefore has the potential to reach food standards. Although the plastic recyclate r-PS used in the tests is not yet approved for food applications, it still looks very suitable for food applications. Greiner Packaging<\/a> The first trials have proven that it is already possible to produce yoghurt pots with 100 % mechanically recycled PS. Certification of the material is already in progress.<\/p>\n

\u201eOnly with the commitment of many companies along the value chain can the goal of approval for 100 % mechanically recycled PS or its process for contact with food be achieved in the end. At the moment, our initial tests together with a customer in Switzerland are the focus of our activities on this topic\u201c
\nTobias Strasser, Managing Director at the Greiner Packaging site in Diepoldsau, Switzerland<\/strong><\/p><\/blockquote>\n

This project came about through the SCS initiative (Styrenics Circular Solutions<\/a>), which aims to realise the circular economy for styrenics. At the moment, the focus is on the advantages of using mechanically recycled PS: low CO2<\/sub>-footprint thanks to sustainable materials and the establishment of closed material cycles. This means that no mixing with new material is necessary - and therefore a sustainable overall concept can be realised without any problems.<\/p>\n

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