Paper injection moulding Paper instead of plastic: Arburg presents alternative material innovation

Source: Press release Arburg 1 min Reading Time

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The 2026 trade fair year begins for Arburg with the Swiss Plastics Expo in Lucerne, Switzerland. A forward-looking exhibit will be presented at stand C1061 in hall 1: an electric Allrounder 370 A with Gestica control system processes so-called “paper pearls”, an alternative material, instead of petroleum-based plastic.

An electric Allrounder 370 A with Multilift Select 8 is used to process “paper pearls”, an alternative material with over 50 percent fibre content.(Source:  Arburg)
An electric Allrounder 370 A with Multilift Select 8 is used to process “paper pearls”, an alternative material with over 50 percent fibre content.
(Source: Arburg)

At Swiss Plastics Expo 2026 In Lucerne, Arburg will be exhibiting innovative paper injection moulding. This technology was developed in collaboration with Swiss paper and cardboard manufacturer Model with the aim of expanding the range of future-proof, sustainable injection moulded products. An electric Allrounder 370 A processes so-called “paper pearls” with over 50 percent fibre content. Their main component is primary and secondary paper fibres. These are made injection-mouldable with bio-based and biodegradable plastics, e.g. based on lignin, starch or corn. Using a single-cavity mould from Lercher, a “cross knot” puzzle is produced in a cycle time of around 60 seconds. A Multilift Select 8 linear robot system removes the moulded part and places it on a conveyor belt.

The software-based pilot function “aXw Control Recyclate Pilot” in the Gestica machine control system actively compensates for material and batch fluctuations. It ensures uniform mould filling, stable shot weights and high part quality. The Recyclate Pilot is equally suitable for processing post-industrial and post-consumer recyclate, regrind and bio-based plastics.

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