Advantage Areas
High Strength to Weight RatioHigh Strength to Weight Ratio
Corrosion / Chemically ResistantCorrosion/ Chemical Resistant
Electrical InsulationElectrical Insulation
Thermal InsulationThermal Insulation
Electomagnetic TransparencyElectomagnetic Transparency

Comparisons with Traditional Materials

The properties of Pultron pultrusions compared to PVC, Aluminium and Steel.

PUL1 = pultrusion unidirectional glass, PUL2 = plutrusion unidirectional glass & mat.

  • Graph - Tensile Strength of material vs MPa
  • Graph - Tensile Modules of materials vs GPa
  • Graph - Specific Strength of materials vs MPa
  • Graph - Specific Modulus of materials vs GPa
  • Graph - Thermal Conductivity of materials vs WmK
  • Graph - Thermal Expansion of materials vs K
  • Graph - Density of materials vs kg m
  • Graph - Energy Consumption for production of raw material vs MJm
  • Graph - Tensile Strength vs Strain %
  • Logo of International Standards Organisation and Trade NZ
Physical Properties
Specific gravity 1.8 - 2.1 ASTM D792
Glass Content (W/W) 50% - 85%
Mechanical Properties
Flexural Strength Longitudinal 300 - 1450 MPa ASTM D 790
Transverse 40 - 180 MPa ASTM D 790
Tensile Strength Longitudinal 300 - 1450 MPa ASTM D 638
Transverse 30 - 120 MPa ASTM D 638
Compressive Strength Longitudinal 300 MPa ASTM D 695
Transverse 80 - 150 MPa ASTM D 695
Flexural Modulus Longitudinal 14 - 50 GPa ASTM D 790
Transverse 10 - 12 GPa ASTM D 790
Tensile Modulus Longitudinal 50 GPa ASTM D 638
Transverse 8 GPa ASTM D 638
Elongation at Rupture 2.5% ASTM D 3916
Short Beam Sheer Strength 50 MPa ASTM D 4475
Impact Strength 125 kJ/m 2 ISO 179
Hardness 50 Barcol ASTM D 2583
Electrical Properties
Electrical Strength 5 - 40 kV/mm DIN 53 481
Surface Resistivity 10 12 Omega DIN 53 482
Volume Resistivity 10 10 Omegam DIN 53 482
Dielectric Constant <5 DIN 53 483
Thermal Properties
Coefficient Of Thermal Expansion 5.4-9 X 10 -6 K -1 ASTM D 696
Thermal Conductivity 0.25W/mK  -1 ASTM C 117
Service Temperative Range Lower -100°C
Upper 160°C
Specific Heat 1.25kJ/kgK -1

Note: 1MPa - 1N/mm 2

These values are approximate and for general guidance only. Properties of pultrusions can be modified to suit the application. Properties will change with temperature. Pultron pultrusions can be tested to a broad range of International Standards .

For more details please consult our Technical Department.