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Rulon Bearings

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Morgan Advanced Ceramics Luminex™ 990 Mac-MO994S Technical Ceramic
Categories: Ceramic

Material Notes: A high-purity porous magnesia ceramic.

Applications:

  • Industrial and domestic electrical equipment
  • Crushable bushes for electrical insulation at high temperature
  • Sheath and high wattage cartridge heaters
  • High temperature cabling
  • Insulating materials for thermocouples

information provided by Morgan Advanced Materials

Key Words: Technical Ceramic
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 PropertiesOriginal ValueComments
Density 2.20 - 2.70 g/cctailorable, fired
Porosity 24 - 38 %tailorable, open
 
Mechanical PropertiesOriginal ValueComments
Flexural Strength 7.00 - 85.0 MPa
@Temperature 20.0 °C
3-point
Compressive Strength 12.0 - 190 MPatailorable
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 7.70e+6 ohm-cm
@Temperature 1000 °C
 3.60e+7 ohm-cm
@Temperature 900 °C
 2.20e+8 ohm-cm
@Temperature 800 °C
 2.00e+9 ohm-cm
@Temperature 700 °C
 3.20e+10 ohm-cm
@Temperature 600 °C
 
Thermal PropertiesOriginal ValueComments
CTE, linear 14.2 µm/m-°C
@Temperature 200 - 500 °C
 14.8 µm/m-°C
@Temperature 20.0 - 1000 °C
Thermal Conductivity 8.00 - 32.0 W/m-K
@Temperature 20.0 - 900 °C
Maximum Service Temperature, Air 1200 °C
 
Component Elements PropertiesOriginal ValueComments
Al2O3 0.050 %
CaO 0.60 %
Fe2O3 <= 0.050 %
MgO 99.4 %
Other <= 0.0010 %B+Cd
SiO2 0.050 %
 
Descriptive Properties
Colorwhite

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CMORF8050 / 203527

Aluminum Castings

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