Flexloop: Revolutionary Mechanical Recycling Technology by Lindner and Procter & Gamble

Recycling Turning Post-Consumer Waste into high-purity recyclate

2025-11-10 Source: Lindner 1 min Reading Time

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At K 2025, Lindner and Procter & Gamble unveiled Flexloop — a breakthrough in mechanical recycling. The solvent-based extraction process removes NIAS, odours, adhesives and inks from polymers, delivering recyclate pure enough for sensitive packaging applications such as cosmetics.

Lindner and P&G-Team on the day of flexloop presentation at K-Show(Source: Lindner) — Lindner and P&G-Team on the day of flexloop presentation at K-Show
(Source: Lindner)

Flexloop — this is the name of the revolutionary mechanical recycling technology that Lindner, together with Procter & Gamble, presented to the public for the first time at K 2025. A solvent-based extraction process is at the core of this method, which reliably removes impurities (NIAS), odours, adhesives and printing inks from polymer chains. The purity level achieved opens up entirely new application options: Post-consumer recyclate can even be used in future for sensitive packaging, such as those needed in the cosmetics and personal care sectors. The modular Flexloop system can be seamlessly integrated in existing Lindner washing and recycling systems, giving recyclers new opportunities and new sales markets.

The origins of this development go back to the last K show, which is when the first discussions were held between Lindner and Procter & Gamble. These initial ideas turned into concrete plans, which were followed by intense negotiations. Eventually, Lindner obtained the exclusive licensing rights to the technology developed by Procter & Gamble — with the mutually agreed goal of establishing an industrially scalable recycling process.

“We have always wanted to advance mechanical recycling,” says Michael Lackner, Managing Director of the Lindner Group. “For us, Flexloop is a logical and necessary development in mechanical recycling and an extension of cold and hot washing.” Flexloop follows preliminary mechanical cleaning and provides a solvent-based extraction step. In this step, NIAS (non-intentionally added substances) such as pesticides, phthalates, dioxins and organic residues are also extracted and taken away along with odours, adhesives and printing inks. “This mechanical recycling technology gives recyclers a valuable tool and helps them produce recyclates for sophisticated applications, using the mechanical recycling technology they know and trust,” says Lackner.

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Date: 08.12.2025

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