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C-820 Magnesia Ceramic vs. Grade A Lava

Both C-820 magnesia ceramic and grade A lava are oxide-based engineering ceramics. There are 7 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is C-820 magnesia ceramic and the bottom bar is grade A lava.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 2.7
2.3 to 2.5
Dielectric Constant (Relative Permittivity) At 1 MHz 9.6
5.3 to 5.8
Flexural Strength, MPa 53
28 to 69
Specific Heat Capacity, J/kg-K 950
Thermal Conductivity, W/m-K 8.0
Thermal Diffusivity, mm2/s 3.1
Thermal Expansion, µm/m-K 11
2.5 to 3.3