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Rulon Bearings

Corning 7056 Alkali Borosilicate Crushed/Powdered Glass
Categories: Ceramic; Glass; Optical; Oxide; Silicon Oxide

Material Notes: Crushed/Powdered glass available in mesh sizes 4 through 325 and can be customized. Used primarily as a Kovar Sealing Glass. This product is used in MOEMS applications.

Information provided by Corning Incorporated.

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Physical PropertiesMetricEnglishComments
Density 2.29 g/cc0.0827 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Modulus of Elasticity 62.8 GPa9110 ksi
Poissons Ratio 0.210.21
Shear Modulus 26.5 GPa3840 ksi
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity  2.50e+8 ohm-cm
@Temperature 350 °C
2.50e+8 ohm-cm
@Temperature 662 °F
 2.00e+10 ohm-cm
@Temperature 250 °C
2.00e+10 ohm-cm
@Temperature 482 °F
Dielectric Constant 5.7
@Frequency 1e+6 Hz
5.7
@Frequency 1e+6 Hz
Dissipation Factor 0.0027
@Frequency 1e+6 Hz
0.0027
@Frequency 1e+6 Hz
 
Thermal PropertiesMetricEnglishComments
CTE, linear  5.15 µm/m-°C
@Temperature 0.000 - 300 °C
2.86 µin/in-°F
@Temperature 32.0 - 572 °F
 5.45 µm/m-°C
@Temperature 25.0 - 679 °C
3.03 µin/in-°F
@Temperature 77.0 - 1250 °F
Set Point
Softening Point 718 °C1320 °F107.6 Poise
Working Point 1058 °C1936 °F104 Poise
Annealing Point 512 °C954 °F1013 Poise
Strain Point 472 °C882 °F1014 Poise
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.487
@Wavelength 589.3 nm
1.487
@Wavelength 589.3 nm

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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CCORNG04 / 736

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