French biotechnology company Carbios has achieved two key milestones for its flagship industrial project: its financing plan for the plant in Longlaville, northeastern France, has received preliminary approval from the credit committees of a majority of lenders, while its enzymatic recycling process has successfully produced wearable recycled polyester T-shirts from mixed textile and plastic waste on an existing European production line, with performance comparable to virgin polyester made from fossil feedstocks.

Key Points

  • The credit committee representing the majority of lenders for the Longlaville project has signed off on the financing plan, with negotiations still ongoing with export credit agencies and potential equity partners.
  • In collaboration with the Fiber-to-Fiber consortium (whose members include Patagonia, PUMA, and Salomon), recycled polyester T-shirts were produced on an existing European production line using complex mixed textile waste.
  • Operating expenses fell 19% year-on-year in the first half of 2026, with a net loss of €9.4 million; as of June 30, cash and equivalents stood at €48 million, sufficient to cover more than twelve months of operating expenses.

Financing and Underwriting Progress

Carbios said the relevant credit committees have completed approval of the financing plan for the Longlaville project, substantially removing execution risk from this flagship industrial project. Meanwhile, discussions with export credit agencies and potential equity investors have not yet concluded.

Supporting the financing rationale is a commercial agreement in final-stage negotiations with a major beverage industry player. If signed, the pre-sold share of the Longlaville plant's nominal capacity would rise to 60%, a level the company believes is sufficient to support the debt package. Until that contract is formally signed, the plant's economics still rest on commitments that are not yet binding.

Financial Buffer

The company's half-year report released on September 24, 2026, showed: operating expenses down 19% year-on-year, a net loss of €9.4 million, and an operating shortfall of €11.8 million; as of June 30, 2026, cash and equivalents were €48 million. Management said this funding can cover ongoing operating costs for more than a year, easing short-term refinancing pressure.

Textile Technology Milestone

While advancing financing, Carbios delivered a technology milestone that opens a second market beyond transparent packaging. Working with the Fiber-to-Fiber consortium, the company produced T-shirts on a European manufacturing line using complex textile and plastic waste as feedstock. The company says the resulting EnzyTex polyester matches the performance of virgin polyester from fossil feedstocks. The fact that the process runs on existing European production equipment means textile companies do not need to build entirely new capacity from scratch, lowering the adoption barrier for brands. The participation of brands such as PUMA and Patagonia is seen as the most valuable part of the news—technology developers can refine processes, but without brands' purchasing commitments and willingness to adjust supply chains, innovation struggles to land.

Market Reaction

Capital markets remain cautious. Carbios shares fell 8.9% on Thursday to close at €5.42, down 51% year-to-date. The market demands hard evidence of commercial viability, not just a successful pilot run. Industrial-scale validation of the enzymatic process on textiles has removed a major execution risk from the technology story; the remaining challenge is commercial closure: signing the beverage contract, completing Longlaville financing without gaps, and converting technical proof into revenue.

For the used clothing and textile recycling industry, this shows that enzymatic recycling is migrating from the lab to existing production lines, and the participation of brand alliances and pre-sales binding may become key variables determining whether recycled polyester projects can cross the financing threshold.

Source: Carbios Wins Lender Backing for Longlaville as Recycled Polyester Passes Factory Test · Originally published 2026-10-02