Cellulose fibre maker Lenzing AG has agreed a deal to exclusively produce the lyocell specialty fibres Smartcel and SeaCell developed by German company Smartfiber AG.

The two companies have been working together since 2007, when Lenzing granted Smartfiber a license for the pilot production of new types of lyocell fibres. But now the Smartfiber pilot plant is being relocated to the Lenzing site in Upper Austria in a bid to speed commercial production.

Lenzing operates what is said to be the world's largest cellulose fibre production site, so the integration of the additional facility should offer economies of scale, as well as additional capacity.

Smartfiber will continue to be responsible for the sales and marketing of Smartcel and SeaCell, which are used in fashion fabrics and incorporate vitamins, minerals and amino acids derived from seaweed  which boost health and nurture the skin.

Smartcel sensitive is also claimed to be the first antibacterial, natural fibre to which the essential trace element zinc has been added for regenerative skin care and hygiene in textiles.