Technical data of GRP profiles can vary according to the type of fibre reinforcement, shape and wallthickness.
GRP profiles type MRmat/roving reinforced
GRP profiles type UD roving reinforced
Z
X
Tensile strength
250 MPa
30 - 80 MPa
1.000 MPa
Flexural trength
E-Modulus (tensile)
23.000 MPa
8.000 MPa
40.000 MPa
E-Modulus (flexural)
25.000 MPa
9.000 Mpa
45.000 MPa
Elongation
1,0 - 1,8 %
2 %
Compressive strength
450 MPa
90 MPa
Compressive modulus
4.000 MPa
30.000 MPa
Density
1,9 kg/dm³
2,0 kg/dm³
Impact strength IZOD
300 kJ/m²
300 J/m²
Barcol hardnes
> 40
> 50
Values for both types
Interlaminar shearstrength
70 MPa
Specific insulation resistance
10^10 - 10^15 Ohm* cm
Surface resistance
10^10 - 10^15 Ohm
Dielectric strength
5-10 kV/mm
Tracking index CTI
KA 3c / KB 500 / KC 600
Dielectric constant
< 5
Coefficient of thermal expansion
12 x 10 -61/K
Thermal conductivity
0,2 - 0,6 W/m*K
Specific heat capacity
1,0 - 1,2 kJ/kg*K
Max. continous temperature
-100 to +155 (180) °C
Water absorption
0,15 %
Temperature deflection under load (Martens)
200 °C
Incandescence resistance
Level 2b
Fire resistance
B2, UL94 V1, UL94 V0, DIN 5510 S4 SR2 ST2, ASTM E84 < 25, ASTM D635
Short and longterm application limits
shortterm behaviour
longterm behaviour
Type MR
Bending strength
135 MPa
20 MPa
15 MPa
Compression strength
25 MPa
Shear strength Z=X
17 MPa
8 MPa
material-properties.pdf
E-Modulus
Specific tensile strength