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GBC Grade 90 Alumina

Category Ceramic , Oxide , Aluminum Oxide
Manufacturer GBC Materials
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
Data provided by the manufacturer, GBC Materials Corporation.
Physical Properties Metric English Comments
Density 3.64 g/cc
0.132 lb/in³
Open Porosity 0.00 %
0.00 %
Mechanical Properties Metric English Comments
Hardness, Mohs 9.0
9.0
Tensile Strength, Ultimate 180 MPa
26100 psi
Flexural Strength 360 MPa
52200 psi
Compressive Strength 1800 MPa
261000 psi
Thermal Properties Metric English Comments
CTE, linear 7.00 µm/m-°C

@Temperature 20.0 °C
 3.89 µin/in-°F

@Temperature 68.0 °F
Maximum Service Temperature, Air 1400 °C
2550 °F
Component Elements Properties Metric English Comments
Al2O3 90 %
90 %
Electrical Properties Metric English Comments
Electrical Resistivity 5.00e+10 ohm-cm
5.00e+10 ohm-cm
Dielectric Constant 8.1
8.1
Dissipation Factor 0.00040
0.00040
Dielectric Loss Index 0.0040
0.0040
Descriptive Properties Value Comments
Color Black
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