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Rulon Bearings

ICE Al2O3 99.5
Categories: Ceramic; Oxide; Aluminum Oxide
Material Notes: Data provided by the manufacturer, International Ceramic Engineering.
Key Words: ICE Al2O3 99.5 aluminas, International Ceramic Engineering; aluminum oxide, aluminium oxide, aluminas
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
Density 3.85 g/cc0.139 lb/in³
Water Absorption 0.00 %0.00 %
 
Mechanical PropertiesMetricEnglishComments
Hardness, Mohs 9.09.0
Tensile Strength, Ultimate 170 MPa24700 psi
Flexural Strength 310 MPa45000 psi
Compressive Strength 2590 MPa376000 psi
Fracture Toughness 4.50 MPa-m½4.10 ksi-in½
 
Electrical PropertiesMetricEnglishComments
Dielectric Constant 9.3
@Frequency 1e+6 Hz		9.3
@Frequency 1e+6 Hz
Dielectric Strength 9.10 kV/mm231 kV/in
Dielectric Loss Index 0.0018
@Frequency 1e+6 Hz		0.0018
@Frequency 1e+6 Hz
 
Thermal PropertiesMetricEnglishComments
CTE, linear 7.40 µm/m-°C
@Temperature 25.0 - 600 °C		4.11 µin/in-°F
@Temperature 77.0 - 1110 °F
Thermal Conductivity 35.6 W/m-K247 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 1750 °C3180 °F
 
Component Elements PropertiesMetricEnglishComments
Al2O3 99.5 %99.5 %
 
Descriptive Properties
ColorWhite Ivory

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