Technical Material Specifications - Goodwinds.com

technical material specifications for carbon fiber rods, carbon fiber tubes, fiberglass rods

Carbon Tubes

Minimum Properties
Tensile Strength	240 ksi / 1.65 GPa
Tensile Modulus	19.5 msi / 134 GPa
Ultimate Shear Strength	6.0 ksi / 41.3 Mpa
Ultimate Tensile Strain	1.40%
Flexural Strength	200 ksi / 1.37 GPa
Flexural Modulus	18.5 msi / 127 GPa
Fiber Volume	60%
Thermal Expansion Coefficient	-0.1 ppm/cm3 / -0.2 ppm/°C
Density	.054 lbs/in3 / 1.5 g/cm3
Diameter Tolerance	+.005/-.005″
Glass Transition Temperature	100° C
Matrix Material	Bisphenol Epoxy Vinyl Ester

Carbon Rods

Carbon Rods less than .156"

Minimum Properties	Standard Modulus
Tensile Strength	320 ksi / 2.34 GPa
Tensile Modulus	19.5 msi / 134 GPa
Compressive Strength	270 ksi / 1.90 GPa
Compressive Modulus	19.0 msi / 131 GPa
Fiber Volume	67%
Ultimate Tensile Strain	1.30%
Diameter Tolerance	+/-5%
Glass Transition Temperature	100° C
Matrix Material	Bis F Epoxy

Carbon Rods greater than .156"

Minimum Properties
Tensile Strength	250 ksi / 1.72 GPa
Tensile Modulus	20.0 msi / 138 GPa
Ultimate Shear Strength	6.0 ksi / 41.3 Mpa
Ultimate Tensile Strain	1.50%
Flexural Strength	265 ksi / 1.83 GPa
Flexural Modulus	19.0 msi / 131 GPa
Fiber Volume	62%
Thermal Expansion Coefficient	-0.1 ppm/cm3 / -0.2 ppm/°C
Density	.054 lbs/in3 / 1.5 g/cm3
Diameter Tolerance	+.005 / -.005″
Glass Transition Temperature	100° C
Matrix Material	Bisphenol Epoxy Vinyl Ester

	Diameter	Weight
	(inch / mm)	(lbs/1000 ft. / grams/meter)
Standard Modulus	.019 / 0.48	0.37 / .55
Standard Modulus	.027 / 0.69	0.37 / .55
Standard Modulus	.037 / 0.94	0.74 / 1.10
Standard Modulus	.052 / 1.32	1.48 / 2.20
Standard Modulus	.063 / 1.60	2.22 / 3.30
Standard Modulus	.098 / 2.49	5.19 / 7.72
Standard Modulus	.125 / 3.18	8.90 / 13.24
Standard Modulus	.156 / 3.96	13.34 / 19.85

Fiberglass Rods

Pultruded Composites Properties
Properties	Test Procedures	Solid Rod & Bar		Structural Profiles
Properties	Test Procedures	Solid Rod & Bar		Longi- tudinal	Trans- verse
Glass Content, % by weight	ASTM D2584		65	47	–
Tensile Strength, psi x 10³	ASTM D3916/ D638		100	42.4	10.1
Tensile Modulus, psi x 10⁶	ASTM D3916/ D638		5.5	2.66	1.05
Flexural Strength, psi x 10³	ASTM D4476/ D790		100	64.6	21.4
Flexural Modulus, psi x 10⁶	ASTM D4476/ D790		5.5	2.09	1.24
Compressive Strength psi x 10³	ASTM D695			26.25	–
Barcol Hardness	ASTM D2583		50	50	–
Izod Impact, ft.-lb./in.	ASTM D256		40	40	–
Specific Gravity	ASTM D792		1.9	1.72	–
Density, lbs./in³	ASTM D792		.069	.062	–
Water Absorption, % (weight increase after 24 hours immersion)	ASTM D570		.10	.70	–

fiberglass rods