Products - COMPOSITES -

TECHNICAL CHARACTERISTICS

The technical characteristics of GRP Profiles may vary according to their geometry and thickness.

Tecnipul recommends evaluating the suitability of the profile for each application.

Physical properties	Value	Unit
Density	1,8 – 2,0	gr / cm3
Glass content	45 - 80	%
Water absorption	< 1 %	Weight

Machine properties	Value	Unit
Barcol hardness	> 40	-----
Izod impact testing	> 200	kJ / m2

	Longitudinal	Transversal
Tensile strength	200 - 550	10 - 70	MPa
Fatigue strength	170 - 240	10 - 70	MPa
Compression stress	170 - 450	10 - 70	MPa
Tensile modulus	20.000 – 42.000	6.000 – 12.000	MPa
Bulk modulus	25.000 – 39.000	8.000 – 16.000	MPa
Section modulus	23.000 – 43.000	7.000 – 18.000	MPa
Elongation after fracture	1,5 - 2		%

Thermoelectric properties	Value	Unit
Dielectric strength	4 – 9	kV / mm
Relative permittivity at 50 Hz	4 – 6	-----
Electrical insulator	1010 /1013	Ω
Thermal conductivity	0.2 – 0.6	W / (K·m)
Heat capacity	1,0 – 1,2	kJ / (kg · K)
Coefficient of thermal expansion	12 – 17	1/ ºC · 10-6
Temperature coefficient of resistivity	-100 / +155	ºC
Critical Magnetic Field	> 200	ºC

Fire resistance: see our Fireproof Products.