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Rulon Bearings

Morgan Advanced Ceramics Frequentite 1000 Steatite
Categories: Ceramic; Oxide; Magnesium Oxide; Silicon Oxide

Material Notes: Good balance of electrical properties. Highly cost-effective for volume production of domestic component.

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Physical PropertiesMetricEnglishComments
Density 2.50 - 2.80 g/cc0.0903 - 0.101 lb/in³Fired
Porosity 0.00 %0.00 %Apparent, fully dense
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell 45 N 67.1 - 70.667.1 - 70.6
Modulus of Elasticity 100 - 110 GPa
@Temperature 20.0 °C
14500 - 16000 ksi
@Temperature 68.0 °F
Flexural Strength 125 - 126 MPa
@Temperature 20.0 °C
18100 - 18300 psi
@Temperature 68.0 °F
3-point
Compressive Strength 850 - 900 MPa123000 - 131000 psi
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity  1e+05 - 1.00e+6 ohm-cm
@Temperature 600 °C
1e+05 - 1.00e+6 ohm-cm
@Temperature 1110 °F
 1.00e+13 - 1.00e+14 ohm-cm
@Temperature 20.0 °C
1.00e+13 - 1.00e+14 ohm-cm
@Temperature 68.0 °F
Dielectric Constant 6.1
@Frequency 1e+6 Hz
6.1
@Frequency 1e+6 Hz
Dielectric Strength 24.0 - 26.0 kV/mm
@Temperature 20.0 °C
610 - 660 kV/in
@Temperature 68.0 °F
Dielectric Loss Index 0.00040 - 0.000600.00040 - 0.00060
 
Thermal PropertiesMetricEnglishComments
CTE, linear  7.90 - 8.60 µm/m-°C
@Temperature 20.0 °C
4.39 - 4.78 µin/in-°F
@Temperature 68.0 °F
 7.90 - 8.60 µm/m-°C
@Temperature 800 °C
4.39 - 4.78 µin/in-°F
@Temperature 1470 °F
Specific Heat Capacity 0.900 J/g-°C0.215 BTU/lb-°F
Thermal Conductivity 2.90 W/m-K
@Temperature 20.0 °C
20.1 BTU-in/hr-ft²-°F
@Temperature 68.0 °F
Maximum Service Temperature, Air 1000 °C1830 °F
 
Descriptive Properties
Thermal Downshock190Change in °C

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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