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Elmet Technologies

Morgan Advanced Ceramics Sillimantin 65 Alumina Silicate
Categories: Ceramic; Oxide; Aluminum Oxide; Silicon Oxide

Material Notes: Refactory materials, widely used in furnace construction and as furnace rollers. Sillimantin grades are porous; Pythagoras grades are dense

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Physical PropertiesMetricEnglishComments
Density 2.35 - 3.00 g/cc0.0849 - 0.108 lb/in³Fired
Porosity 0.00 - 11 %0.00 - 11 %Apparent, % water absorption
 
Mechanical PropertiesMetricEnglishComments
Modulus of Elasticity 60.0 - 150 GPa
@Temperature 20.0 °C
8700 - 21800 ksi
@Temperature 68.0 °F
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.00e+13 ohm-cm
@Temperature 20.0 °C
1.00e+13 ohm-cm
@Temperature 68.0 °F
dense grades
Dielectric Strength 17.0 kV/mm
@Temperature 20.0 °C
432 kV/in
@Temperature 68.0 °F
dc, dense grades
 
Thermal PropertiesMetricEnglishComments
CTE, linear 5.70 - 6.30 µm/m-°C
@Temperature 20.0 - 1000 °C
3.17 - 3.50 µin/in-°F
@Temperature 68.0 - 1830 °F
Specific Heat Capacity 0.800 - 0.900 J/g-°C0.191 - 0.215 BTU/lb-°F
Thermal Conductivity 1.40 - 6.00 W/m-K
@Temperature 200 °C
9.72 - 41.6 BTU-in/hr-ft²-°F
@Temperature 392 °F
Maximum Service Temperature, Air 1250 - 1350 °C2280 - 2460 °Fworking

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