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High-alumina Refractory vs. Cordierite

Both high-alumina refractory and cordierite are oxide-based engineering ceramics. There are 8 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is high-alumina refractory and the bottom bar is cordierite.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 2.1
2.0 to 2.2
Flexural Strength, MPa 28
17 to 32
Maximum Temperature: Mechanical, °C 1200
1150
Maximum Thermal Shock, °C 210
290 to 390
Specific Heat Capacity, J/kg-K 800
800 to 850
Thermal Conductivity, W/m-K 1.5
1.3 to 1.7
Thermal Diffusivity, mm2/s 0.87
0.74 to 1.0
Thermal Expansion, µm/m-K 4.3
2.9 to 4.8