|
PROPERTIES
OF PYROGRAF ® I:
|
Property
|
As Grown
|
Heat Treated
|
Units
|
|
Fiber Diameter
|
3 to 20
|
3 to 20
|
microns
|
|
Density
|
1.8
|
2.1
|
g/cm3
|
|
Tensile Strength
|
2.7
|
7.0
|
GPa
|
|
Tensile Modulus
|
400
|
600
|
GPa
|
|
Coefficient of Thermal Expansion
|
|
-1.0
|
ppm/oC
|
|
Electrical Resistivity
|
1000
|
55
|
microohm-cm
|
|
Thermal Conductivity
|
20
|
1950
|
W/m-K
|
|
|
|
