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.