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Redefining PU foam recycling with the Purman® method

Recycling, Technology | 2025.03.19.2025.03.19.

PU foam recycling is undergoing a transformative shift, thanks to the innovative and patent-pending Purman® method. This approach repurposes PU foam waste, which primarily originates from industrial sandwich panels and refrigerator insulation—also the leading sources of PU waste—transforming it into high-quality upcycled materials like furniture and insulation materials.

With the use of natural byproducts from the paper industry, the Purman® method is setting a new standard for sustainable PU foam recycling and promoting circular economy principles, helping divert significant waste from landfills and incinerators.

Dealing with the PU foam waste challenge

PU foam is a key material in industries like construction and refrigeration because of its excellent thermal insulation properties and durability. However, its non-biodegradable nature makes it a difficult material to recycle. Traditionally, PU foam waste is disposed of by either landfilling or incineration, both of which have negative environmental impacts, including pollution and resource depletion.

The Purman® Method offers a sustainable solution by recycling PU foam into valuable new materias, all while greatly reducing the environmental footprint of the process.

The eco-friendly solution for polyurethane foam recycling

At the heart of this groundbreaking approach is lignin, a natural binder derived from plant cell walls and a byproduct of paper manufacturing. Lignin replaces most of the synthetic binders traditionally used in PU foam recycling processes, eliminating the need for energy-intensive heating. This results in a significant reduction in energy consumption and carbon emissions.

The Purman® technology utilizes a cold-pressing technique, which minimizes energy use compared to conventional PU foam recycling methods that require high temperatures. The PU foam waste is cleaned, shredded, and mixed with lignin-based binding agents before being compacted into durable, high-performance recycled materials.

Not only does lignin enhance the quality of the recycled material by improving its strength, durability, and fire resistance, but it also improves the compatibility between various materials. This enables the creation of high-quality, structurally sound products that can be used across various industries, making polyurethane foam recycling more efficient and eco-friendly.

A sustainable circular economy model for PU foam recycling

The Purman® Method is a perfect example of how natural byproducts can be leveraged to reduce waste and promote the circular economy.

By upcycling PU foam waste, including end-of-life (EOL) materials, this method turns discarded foam into reusable, valuable materials. This process reduces reliance on finite resources and minimizes environmental degradation, aligning perfectly with sustainable recycling practices.

A scalable commitment to sustainability in recycling polyurethane foam

The Purman® method is not just an innovation, it’s a commitment to sustainability. It offers a scalable solution for industries to responsibly manage PU foam waste, turning what was once a significant environmental challenge into a resource for valuable products. This breakthrough innovation in PU foam recycling supports global sustainability efforts and helps industries meet their environmental goals.

Join the future of sustainable PU foam recycling!

The Purman® Method is revolutionizing PU foam recycling, offering an innovative solution that helps businesses contribute to a more sustainable future. Don’t miss the chance to be part of this groundbreaking approach and reduce your environmental impact. Reach out to Purman® today to learn how they can help your company embrace sustainability and lead the way toward a greener tomorrow!

Related Ipariexpo.hu company profile

Purman Recycling and Processing Ltd.

Purman Recycling and Processing Ltd.

Gyöngyös
2024
The founders of purman® are experts in refrigeration technology, closely involved in the use of rigid PUR (polyurethane) foam through their work....

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