E-Glass Fiber, Generic
Categories: Ceramic; Glass; Glass Fiber; Oxide; Silicon Oxide; Other Engineering Material; Composite Fibers
Material Notes: Used as a reinforcing agent in fiber glass composites, including biomedical/surgical applications.

Information provide by Owens Corning and the reference(s).
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Physical PropertiesMetricEnglishComments
Density 2.54 - 2.60 g/cc0.0918 - 0.0939 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Ultimate  521 MPa
@Temperature -190 °C		75500 psi
@Temperature -310 °F
 1725 MPa
@Temperature 540 °C		250200 psi
@Temperature 1000 °F
 2620 MPa
@Temperature 370 °C		380000 psi
@Temperature 698 °F
 3450 - 3790 MPa
@Temperature 22.0 °C		500000 - 550000 psi
@Temperature 71.6 °F		Virgin strength
Elongation at Break 4.8 %4.8 %
Modulus of Elasticity 72.4 GPa10500 ksi
 72.3 GPa
@Temperature 540 °C		10500 ksi
@Temperature 1000 °F
Poissons Ratio 0.200.20
Shear Modulus 30.0 GPa4350 ksiCalculated
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 4.02e+12 ohm-cm4.02e+12 ohm-cm
Dielectric Constant  5.9 - 6.4
@Frequency 60 Hz		5.9 - 6.4
@Frequency 60 Hz
 6.3 - 6.6
@Frequency 1e+6 Hz		6.3 - 6.6
@Frequency 1e+6 Hz
Dielectric Strength 10.3 kV/mm262 kV/in
Dissipation Factor  0.0025
@Frequency 1e+6 Hz		0.0025
@Frequency 1e+6 Hz
 0.0034
@Frequency 60 Hz		0.0034
@Frequency 60 Hz
 
Thermal PropertiesMetricEnglishComments
CTE, linear  5.00 µm/m-°C
@Temperature 20.0 °C		2.78 µin/in-°F
@Temperature 68.0 °F
 5.40 µm/m-°C
@Temperature -30.0 - 250 °C		3.00 µin/in-°F
@Temperature -22.0 - 482 °F
Specific Heat Capacity  0.810 J/g-°C
@Temperature 23.0 °C		0.194 BTU/lb-°F
@Temperature 73.4 °F
 1.03 J/g-°C
@Temperature 200 °C		0.246 BTU/lb-°F
@Temperature 392 °F
Thermal Conductivity 1.30 W/m-K9.02 BTU-in/hr-ft²-°F
Melting Point <= 1725 °C<= 3137 °F
Softening Point 840.6 °C1545 °F
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.5581.558
 1.5621.562bulk annealed
 
Component Elements PropertiesMetricEnglishComments
Al2O3 15.2 %15.2 %
BaO 8.0 %8.0 %
CaO 17.2 %17.2 %
MgO 4.7 %4.7 %
NaO2 0.60 %0.60 %
SiO2 54.3 %54.3 %
 
Descriptive Properties
Velocity of sound, m/s5330

References for this datasheet.

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