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Milk fibre for R&D testing

Casein fibres available for research and testing

We are making our casein fibres available for testing to academia, research and industry. These can be provided in cut lengths for staple processing or as continuous filaments. We understand the need for innovation in research and we are ready to colloborate on custom setups for certain research initiatives.  Please get in touch to order fibres or to discuss your needs. 

Casein Fibre. Staple Fibre

Pure acid casein fibre available for testing and evaluation. 

Produced by wet spinning.

Diameter ~30-50 micron. 

100 filaments/50 filaments/40 filaments.

Cut to 38mm length (custom lengths available)

Low moisture content. 

10g/100g sample

Order Sample

Casein Fibre. Continous Filament

Pure acid casein fibre available for testing and evaluation.

Produced by wet spinning. 

Diameter ~30-50 micron. 

100 filaments/50 filaments/40 filaments.

Wound on a spool.

Low moisture content. 

10g/100g sample

Order Sample

Casein Fibre. Customised specification.

Pure acid casein fibre produced to a unique configuration.

Produced by wet spinning. 

Diameter 20-100 micron. 

100 filaments/50 filaments/40 filaments.

Wound on a spool or chopped to length.

Controlled moisture content. 

Order Sample

Frequently Asked Questions

Our dope is entirely aqueous alkali casein derived protein. Our fibres do not include cellulose, acrylic or other polymers.


Fibres from casein present a different polymeric backbone to conventional polymers. These materials are hygroscopic and have a high nitrogen content. The peptides present allow for unique biological bonding and functionality with use cases in biomedical, analytical and technical applications.


Our expertise is in fibre production with proteins. However, we are able to test and evaluate other systems for academic and research projects. 


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