Carbon Tubes

Minimum Properties 
Minimum PropertiesTensile Strength 240 ksi / 1.65 GPa
Minimum PropertiesTensile Modulus 19.5 msi / 134 GPa
Minimum PropertiesUltimate Shear Strength 6.0 ksi / 41.3 Mpa
Minimum PropertiesUltimate Tensile Strain 1.40%
Minimum PropertiesFlexural Strength 200 ksi / 1.37 GPa
Minimum PropertiesFlexural Modulus 18.5 msi / 127 GPa
Minimum PropertiesFiber Volume 60%
Minimum PropertiesThermal Expansion Coefficient -0.1 ppm/cm3 / -0.2 ppm/°C
Minimum PropertiesDensity .054 lbs/in3 / 1.5 g/cm3
Minimum PropertiesDiameter Tolerance +.000/-.003″
Minimum PropertiesGlass Transition Temperature 100° C
Minimum PropertiesMatrix Material Bisphenol Epoxy Vinyl Ester

 

Carbon Rods


Fiberglass Rods

Pultruded Composites Properties

Properties

Test
Procedures

Solid
Rod & Bar

Structural Profiles

Longi-
tudinal

Trans-
verse

Glass Content,
% by weight
ASTM D2584

75

65

47

Tensile Strength,
psi x 103
ASTM D3916/ D638

120

100

42.4

10.1

Tensile Modulus,
psi x 106
ASTM D3916/ D638

6.0

5.5

2.66

1.05

Flexural Strength,
psi x 103
ASTM D4476/ D790

120

100

64.6

21.4

Flexural Modulus,
psi x 106
ASTM D4476/ D790

6.0

5.5

2.09

1.24

Compressive Strength
psi x 103
ASTM D695

70

60

26.25

Barcol Hardness ASTM D2583

60

50

50

Izod Impact, ft.-lb./in. ASTM D256

40

40

40

Specific Gravity ASTM D792

2.0

1.9

1.72

Density, lbs./in3 ASTM D792

.073

.069

.062

Water Absorption, %
(weight increase after
24 hours immersion)
ASTM D570

.05

.10

.70

Coefficient of Thermal Expansion,
in./in./°C x 10-6 (Axial)
ASTM D696

5.3

Dielectric Strength, volts/mil.
(Method A,type 3 electrode)
ASTM D149

140

Dielectric Strength,kv./in.
(Method A,type 1 electrode)
ASTM D149

60

Dielectric Constant,
60 Hz
ASTM D150

5.4

Arc Resistance,
seconds
ASTM D495

120

Volume Resistivity,
ohm-cm x 1014
ASTM D257

2.5