Demgy Group Develops FLAXCOMP®: A 100% Recyclable Bio-Based Thermoplastic Composite from Flax Fiber and Cornstarch Resin, Matching Glass Composite Performance

July 12, 2026

Demgy France

Overview

Demgy Group has developed FLAXCOMP®, a process combining flax fiber and cornstarch resin to create a 100% recyclable, bio-based thermoplastic composite. This breakthrough material offers eco-sustainability, lightweight properties, and excellent damping capacities for vibrations and shocks. FLAXCOMP® is used for semi-structural and cosmetic applications in industries including transport, luxury, sport, and home sectors, providing performance comparable to glass composites with a positive carbon balance.

In Depth

Key Findings

Demgy Group has successfully developed FLAXCOMP®, an innovative process that combines flax fiber with cornstarch resin to produce a 100% recyclable, bio-based thermoplastic composite material. This breakthrough material offers a compelling combination of eco-sustainability, significant lightweight advantages, and exceptional damping capabilities against vibrations and shocks. Crucially, FLAXCOMP® provides performance comparable to conventional glass composites, all while maintaining a positive carbon balance.

Technical Details

FLAXCOMP® utilizes naturally derived flax fibers as reinforcement and a cornstarch-derived resin as the matrix, resulting in a fully bio-based thermoplastic composite. This unique combination ensures the material is lightweight yet possesses robust structural strength and rigidity. A key attribute is its superior vibration damping capacity, which is highly beneficial for applications in automotive, aerospace, and sports equipment where noise reduction and comfort are paramount. As a thermoplastic, FLAXCOMP® can be re-melted and re-formed, facilitating easy recycling during manufacturing and at the end of its product life. This significantly contributes to waste reduction and efficient resource utilization, aligning with circular economy principles.

Background & Context

Today’s industries are grappling with the dual challenges of reducing environmental impact and enhancing sustainability. In the field of composites, a major issue has been the difficulty in recycling many high-performance materials. Against this backdrop, the development of “green composites” utilizing natural fibers and bio-based resins has accelerated globally. The creation of FLAXCOMP® aligns perfectly with this trend, positioning Demgy Group as an innovator in a market increasingly demanding environmentally conscious products and sustainable material solutions.

Strategic Significance & Outlook

FLAXCOMP® is anticipated for broad adoption across semi-structural and cosmetic applications, including interior components for transport, luxury product casings, sports equipment, and residential building materials. Its high recyclability and excellent performance characteristics make it a crucial element for companies aiming to meet environmental targets while enhancing product competitiveness. Through FLAXCOMP®, Demgy Group is expected to further promote the adoption of sustainable material solutions within industries and drive the growth of the bio-based composite market. This represents a significant step towards achieving a more circular economy and advancing sustainable manufacturing practices worldwide.

Source: https://www.demgy.com/en/page/technologies/flaxcomp-bio-composite

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