Material Properties

The following table provides a general guide to material properties of composites. Please note that the values quoted may not be realisable in actual parts due to lay-up limitation or moulding method restriction. Please contact C2 Composites for further advice.

---- FIBRES ----

Direction		Units	E-Glass		Aramid		High strength carbon		Intermediate modulus carbon

			UD	Fabric	UD	Fabric	UD	Fabric	UD	Fabric
Tensile		MPa	1100	600	1100	500	2000	800	2400	900
		MPa	35	550	35	450	80	750	80	850
		GPa	43	20	60	30	130	70	170	90
		GPa	8	19	8	30	9	65	9	90
	Poisson's Ratio		0.28	0.13	0.34	0.2	0.25	0.05	0.27	0.05

Comp- ression		MPa	900	550	250	150	1300	700	1600	800
		MPa	150	500	150	150	250	650	250	750
		GPa	42	17	75	31	115	60	150	80
		GPa	10	16	5.5	30	10	55	11	75

Flexure		MPa	1200	700	550	400	1800	1000	1400	1200
		GPa	42	20	40	25	120	65	140	75

	Thermal Properties of Prepreg Laminates
	Units..	Glass		Aramid		High strength carbon
		UD	Fabric	UD	Fabric	UD	Fabric
Coefficient of expansion	10E-6 /°K	9	11	-0.4	-5.2	-0.1	-0.5
Thermal conductivity	W/m . °K	0.4	0.16 / 0.33	0.4	0.21	1	0.86 / 1.44