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Fixing Peat-Free

Fixing Peat-FreeFixing Peat-FreeFixing Peat-Free
Speak to us about going peat-free.

Protein fibres for advanced growing media.

Welcome to Grouse Fibre.  We create fibres and filaments from proteins. 


We add these fibres to growing media to create advanced substrates for horticulture growers. We extend the technical capability of peat-free substrate and can improve the yield and growing time across horticultural environments.

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Fibre production technology

Advanced proteins

Polymer preparation

Polymer preparation

casein protein from alphafold

With funding from Innovate UK we are developing protein feedstocks from abundant sources. Our research into casein from waste milk led to our first breakthrough. 

Polymer preparation

Polymer preparation

Polymer preparation

Small scale trials with proteins in January.

We know that the secret to success in fibre production is attention to detail in the preparation of the dope which is another term for the polymer solutions.   

Fibre creation

Downstream processing

Downstream processing

Fibres are useful. How they form and the macrostructures created is as important as what they formed from. Our know-how in novel materials is helping us make breakthroughs in difficult to process materials. 

Downstream processing

Downstream processing

Downstream processing

PROTEIN FIBRES BY GROUSE FIBRE

Our interest also extends into the downsteam processing of materials. How we cool, heat and dry our fibres affects the crystal formation and final properties of the fibre. 

Nature builds better ingredients

We can learn from how nature uses fibres to build structures and enable life. The keratin in wool and hair, fibroin in spider silk and the spring-like triple-helix collagen in skin and muscle tissue can signpost materials of the future. We can also look to see how nature creates fibres to inform our wet-spinning and fibre forming process. Polymeric self-assembly and rapid phase-change can show inspire us to create the equipment of the future to form filaments from unique and useful materials. 

Speak to us about the benefits of protein fibres.

Protein fibres for technical applications

Value Added

Our protein fibres posses unique properties not found in other synthetics or natural polymers. Tunable hygroscopy and moisture retention, high nitrogen content, biodegradability. This can bring significant value add for horticulture, industrials and consumer applications. 

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