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Barium Fluoride vs. High-alumina Refractory

Barium fluoride belongs to the non-glass optical ceramics classification, while high-alumina refractory belongs to the oxide-based engineering ceramics. There are 5 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

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

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 4.9
2.1
Specific Heat Capacity, J/kg-K 420
800
Thermal Conductivity, W/m-K 9.0
1.5
Thermal Diffusivity, mm2/s 4.4
0.87
Thermal Expansion, µm/m-K 18
4.3