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Master Bond adhesives

99.5% Alumina, vitreous body
Categories: Ceramic; Oxide; Aluminum Oxide

Material Notes: Good Thermal Shock resistance, Tc value = 1100°C (2010°F).

Key Words: aluminum oxide
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Physical PropertiesMetricEnglishComments
Density 3.70 - 3.97 g/cc0.134 - 0.143 lb/in³
Water Absorption 0.00 %0.00 %24 hrs.
Open Porosity <= 1.0 %<= 1.0 %
 
Mechanical PropertiesMetricEnglishComments
Hardness, Mohs 9.09.0
Tensile Strength, Ultimate 259 - 262 MPa37600 - 38000 psi
Modulus of Elasticity 360 GPa52200 ksi
Flexural Strength 295 - 325 MPa42800 - 47100 psi
Compressive Strength 2940 MPa426000 psi
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity  3.50e+8 ohm-cm
@Temperature 800 °C
3.50e+8 ohm-cm
@Temperature 1470 °F
 1.30e+11 ohm-cm
@Temperature 500 °C
1.30e+11 ohm-cm
@Temperature 932 °F
 1.20e+13 ohm-cm
@Temperature 300 °C
1.20e+13 ohm-cm
@Temperature 572 °F
Dielectric Strength 15.0 kV/mm381 kV/inAC
 
Thermal PropertiesMetricEnglishComments
CTE, linear  7.70 µm/m-°C
@Temperature 25.0 - 700 °C
4.28 µin/in-°F
@Temperature 77.0 - 1290 °F
 8.40 µm/m-°C
@Temperature 25.0 - 1000 °C
4.67 µin/in-°F
@Temperature 77.0 - 1830 °F
Specific Heat Capacity 0.510 J/g-°C0.122 BTU/lb-°F
Thermal Conductivity 19.0 W/m-K
@Temperature 38.0 °C
132 BTU-in/hr-ft²-°F
@Temperature 100 °F
 
Component Elements PropertiesMetricEnglishComments
Al2O3 99.5 %99.5 %

References for this datasheet.

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BA2E / 139

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