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Rulon Bearings

Morgan Advanced Ceramics Luminex ™880 Mac-MO880S Magnesium oxide ceramic
Categories: Ceramic; Oxide; Magnesium Oxide

Material Notes: A porous magnesia ceramic, containing a minimum 88.0% MgO, plus the following maximum levels of other components: 8.5% SiO2, 3.0% CaO, 0.29% Al2O3, 0.2% Fe2O3 and 0.02% B. Values quoted are based on test pieces and may vary according to component design. These values are not guaranteed in anyway whatsoever and should only be treated as indicative and for guidance only.

Prime Features:

  • Consistent electrical performance at temperatures up to 800C
  • Excellent thermal conductor at elevated temperatures
  • Excellent electrical resistance across temperature range
  • Made from 100 per cent electrofused magnesium oxide
Typical Applications:
  • Domestic and industrial electrical equipment
  • Crushable bushes for electrical insulation at high temperature
  • Insulating material for thermocouples
  • Heat conductive fillers
Production Capabilities:
  • Manufacture to close tolerances
  • Prototype, batch and volume production

Information provided by Morgan Advanced Materials

Key Words: Luminex ™880
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Bulk Density 2.40 g/cc0.0867 lb/in³
Open Porosity 30 %30 %apparent
 
Mechanical PropertiesMetricEnglishComments
Flexural Strength 15.0 MPa
@Temperature 20.0 °C
2180 psi
@Temperature 68.0 °F
3-point
Compressive Strength 40.0 MPa5800 psi
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity >= 1.00e+9 ohm-cm
@Temperature 600 °C
>= 1.00e+9 ohm-cm
@Temperature 1110 °F
 
Thermal PropertiesMetricEnglishComments
CTE, linear 13.0 µm/m-°C
@Temperature 20.0 - 1000 °C
7.22 µin/in-°F
@Temperature 68.0 - 1830 °F
Maximum Service Temperature, Air 800 °C1470 °F
 
Component Elements PropertiesMetricEnglishComments
Al2O3 <= 0.29 %<= 0.29 %
Boron, B <= 0.020 %<= 0.020 %
CaO <= 3.0 %<= 3.0 %
Fe2O3 <= 0.20 %<= 0.20 %
MgO >= 88 %>= 88 %
SiO2 <= 8.5 %<= 8.5 %
 
Descriptive Properties
Colorbuff
Thermal Downshock500 sC

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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