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Rulon Bearings

GBC Grade 99 Alumina  (discontinued **)
Categories: Ceramic; Oxide; Aluminum Oxide

Material Notes: Data provided by the manufacturer, GBC Materials Corporation.

GBC Materials Corporation has been acquired by Morgan Advanced Ceramics.

Key Words: Al2O3, GBC Materials Corporation, aluminium oxide
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
Open Porosity 0.00 %0.00 %
 
Mechanical PropertiesMetricEnglishComments
Hardness, Mohs 9.09.0
Tensile Strength, Ultimate 220 MPa31900 psi
Flexural Strength 410 MPa59500 psi
Compressive Strength 2300 MPa334000 psi
 
Electrical PropertiesMetricEnglishComments
Dielectric Constant 9.79.7
Dissipation Factor 0.000100.00010
Dielectric Loss Index 0.00900.0090
 
Thermal PropertiesMetricEnglishComments
CTE, linear 7.80 µm/m-°C
@Temperature 20.0 °C
4.33 µin/in-°F
@Temperature 68.0 °F
Maximum Service Temperature, Air 1700 °C3090 °F
 
Component Elements PropertiesMetricEnglishComments
Al2O3 99 %99 %
 
Descriptive Properties
ColorWhite

**
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CG0007 / 890

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