Technical Data on T-300 PAN-based Carbon

Thermal T300 PAN-Based Carbon Fiber is a standard modulus fiber supplied with 1% UC.309 epoxy-compatible sizing.

Typical Properties** of Thornel T-300 PAN-Based Fiber

Typical Property of a filament of Carbon Fiber	US Customary Units	SI Units

Tensile Strength of Carbon Fiber	545 ksi	3.75 GPa
Tensile Modulus of Carbon Fiber	33.5 Msi	231 GPa
Density of Carbon Fiber	.064 lbs/in³	1.76 g/cc
Elongation at Break of Carbon Fiber	1.6%
Carbon Fiber Filament Diameter	7.0 micron
Carbon Assay	92%
Electrical Resistivity of Carbon Fiber	18.0 micro-ohm-m
Thermal Conductivity of Carbon Fiber		5 W/mK

Tow Count (100s of filaments per strand)
Property	Units	1K*	3K*	6K*	12K*
Yield	yd/lb	7,500	2,510	1,255	627
	m/g	15.05	5.04	2.52	1.26
Linear Density	g/m	.066	.198	.398	.792
Fiber Area in Yarn Cross Section	in²x10³	5.3	17.5	35.0	70

*K refers to 1,000s of filaments in a strand
**Typical properties, actual properties of individual lots will vary within specification limits.

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