Nexofoam at Fakuma 2026 Bio-based particle foam for EPS plants

Source: Press Release Matthias Gutbrod 2 min Reading Time

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At Fakuma 2026, the Fraunhofer spin-off Nexofoam will showcase a fully bio-based particle foam that can be processed on existing EPS lines without any machine modifications. Compared to EPS, the foam reduces the CO2 footprint by up to 80 percent and opens up new avenues for decarbonization for processors.

From compact EPLA granules to fully foamed insulation boards: This bio-based particle foam material can be processed as a drop-in solution on existing EPS molding machines.(Bild:  Nexofoam)
From compact EPLA granules to fully foamed insulation boards: This bio-based particle foam material can be processed as a drop-in solution on existing EPS molding machines.
(Bild: Nexofoam)

At Fakuma 2026, the Fraunhofer Institute for Chemical Technology ICT, together with its spin-off Nexofoam, will present the latest developments in foam technology. The focus will be on the industrially viable EPLA particle foam, which was developed and patented at Fraunhofer ICT. The abbreviation EPLA stands for Expanded Polylactide. It is a bio-based, foamable particle foam made from polylactic acid (PLA).

The product is being launched through the spin-off Nexofoam as a compact, expandable granulate. On-site expansion at the processor’s facility reduces transport volume and logistical effort compared to pre-expanded material.

Process Compatibility on EPS Processing Lines

The bio-based foam is designed as a direct drop-in solution for established EPS processing lines. Plastics processors can continue to use existing automatic molding machines, molds, and material handling systems without any modifications. This minimizes the required investment costs and reduces the technical risk associated with the transition to more sustainable polymer materials. The processing logic closely follows the parameters of conventional polystyrene processing.

Key Characteristics and Environmental Benefits

In terms of materials, EPLA is based on plant-based raw materials and, according to Fraunhofer ICT, has a CO2 footprint that is up to 80 percent lower than that of fossil-based EPS. With a thermal conductivity of 29 to 33 mW/(m·K), the material achieves the same level of insulation as established insulation materials. In addition, EPLA meets fire class E according to EN ISO 13501.

These properties are complemented by full recyclability and biodegradability, which meet the requirements of the EU Packaging and Packaging Waste Regulation (PPWR).

Foams for Peak Performance

In addition to EPLA, Nexofoam’s trade show portfolio includes other developments for technical particulate foam applications. These include a heat-resistant particulate foam based on modified polyphenylene ether (PPE) for components subjected to thermal stress. The company is also introducing high-density expanded polystyrene (EPS) designed for structural applications. These materials expand the range of applications for particle foams in automotive engineering and industrial functional components.

INFO

Nexofoam at Fakuma 2026:
At the Fraunhofer ICT booth, Hall B2, Booth 2104

Want to attend Fakuma for free with PlastXnow? Simply enter the code SUAGL-L28JU on the registration page.

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