Dia-Stron is the leading manufacturer of automated measurement systems for a wide range of fibres. We take pride in our unique and comprehensive approach to metrology, from design and development to production of complete scientific systems.

We provide measurement solutions for natural and man-made fibres, with a variety of uses ranging from hair and cosmetics testing to the assessment of carbon and composite filaments. We also offer contract testing services in our bespoke laboratory, utilising the latest Dia-Stron instrumentation and innovations.

Dia-Stron is a British company based in the United Kingdom with offices and manufacturing facilities in Andover, Hampshire.  We also have offices in the U.S.A. and a network of distributors across Asia, Europe and Latin America.  As a small company, the team is close-knit and capable of adapting to any queries raised by our customers.


Dia-Stron Limited UK

9 Focus Way
Hampshire SP10 5NY

United Kingdom

Tel: +44 1264 334 700
Fax: +44 1264 334 686
Email: sales@diastron.com 
Web: www.diastron.com

Yann Leray

Managing Director

After obtaining a degree in applied physics and scientific instrumentation at Manchester, Yann Leray (born 1975) started his career in 1999 at Unilever UK where he held several positions in the hair R&D group. He joined Dia-Stron Ltd as Business Development Manager in 2011, before becoming the Marketing and Sales Director in 2016.

Yann is actively involved with the hair scientific community, especially on fibre mechanics which underpins most of Dia-Stron measurement technologies.