Biotex Flax - Composites Evolution

Technical Information

Biotex FlaxTechnical Information


Yarn
Linear Density	250tex	Standard
Linear Density	125-2000tex	On request

Processing	Typical processes include filament winding and pultrusion, processed in the same way as glass fibre.

Fabrics
Woven Fabrics	2x2 twill	Standard
	4x4 hopsack	Standard
	Others	On request

Non-Crimp Fabrics	Unidirectional	Standard
	+/-45 biaxial	Standard
	Others	On request

Fabric Weight	420-520gsm	Standard (depending on weave style)
Fabric Weight	250-800gsm	On request

Fabric Width	1.25m	Standard
Fabric Width	Up to 3m	On request (woven fabrics only)

Processing	Typical processes for include hand lay-up, vacuum infusion and RTM with standard resins or bio-based resins. Processing is carried out in the same way as with glass fibre.

Typical Properties
	UD	Biaxial	Woven
	flax-polyester	flax-polyester	flax-polyester
	laminate	laminate	laminate
	(0 dir)	(0 dir)	(0 dir)

Density	1.30g/cm³	1.30g/cm³	1.24g/cm³
Tensile Modulus	18.8GPa	8.7GPa	7.2GPa	(ISO 527-4)
Tensile Strength	174MPa	85MPa	68.3MPa	(ISO 527-4)
Tensile Elongation	1.5%	1.7%	2.5%	(ISO 527-4)
Flexural Modulus	15.1GPa	6.8GPa	4.0GPa	(ISO 14125)
Flexural Strength	196MPa	135MPa	97.4MPa	(ISO 14125)
Charpy Impact (flat)	TBC	TBC	28.0kJ/m²	(ISO 179-1 U)
Charpy Impact (edge)	TBC	TBC	27.7kJ/m²	(ISO 179-1 U)
Data for laminates made from 30-33vol% Biotex flax fabrics and unsaturated polyester by the vacuum infusion process and tested at ambient temperature.