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96% Silica Consolidated Reconstructed Glass
Categories: Ceramic; Glass; Oxide; Silicon Oxide
Material Notes: Consolidated glass is produced from porous/leached glass by consolidating/sintering to a non-porous clear glass through heat treatment above 1200°C. It is used in a wide variety of demanding and specialty applications that take advantage of its strength, optics, electrical resistivity, and temperature and chemical resistance.
Key Words: SiO2
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Physical PropertiesMetricEnglishComments
Density 2.18 g/cc0.0788 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Knoop Microhardness 487487kg/mm²; 100-g load
Modulus of Elasticity 68.0 GPa9860 ksi
Modulus of Rupture 0.0480 GPa6.96 ksiAbraded Surface
Poissons Ratio 0.190.19
Shear Modulus 28.0 GPa4060 ksi
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity  1.30e+8 ohm-cm
@Temperature 350 °C		1.30e+8 ohm-cm
@Temperature 662 °F
 5.00e+9 ohm-cm
@Temperature 350 °C		5.00e+9 ohm-cm
@Temperature 662 °F		special processed ware
 5.00e+9 ohm-cm
@Temperature 250 °C		5.00e+9 ohm-cm
@Temperature 482 °F
 2.50e+11 ohm-cm
@Temperature 250 °C		2.50e+11 ohm-cm
@Temperature 482 °F		special processed ware
Dielectric Constant  3.8
@Frequency 1e+6 Hz		3.8
@Frequency 1e+6 Hz
 3.8
@Frequency 8.6e+9 Hz		3.8
@Frequency 8.6e+9 Hz
 
Thermal PropertiesMetricEnglishComments
CTE, linear 0.750 µm/m-°C
@Temperature 0.000 - 300 °C		0.417 µin/in-°F
@Temperature 32.0 - 572 °F
Specific Heat Capacity 0.750 J/g-°C0.179 BTU/lb-°F
Thermal Conductivity 1.38 W/m-K9.58 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 900 °C1650 °FContinuous
 >= 1200 °C>= 2190 °FIntermittent
Annealing Point 1020 °C1870 °F
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.4581.458
Emissivity (0-1) 0.87
@Temperature 100 °C		0.87
@Temperature 212 °F		Total normal
 
Component Elements PropertiesMetricEnglishComments
SiO2 96 %96 %

References for this datasheet.

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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