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Potassium Bromide vs. Carbon-carbon

Potassium bromide belongs to the non-glass optical ceramics classification, while carbon-carbon belongs to the non-oxide engineering ceramics. There are 10 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is potassium bromide and the bottom bar is carbon-carbon.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 2.8
1.7
Elastic (Young's, Tensile) Modulus, GPa 24
95
Poisson's Ratio 0.17
0.32
Shear Modulus, GPa 7.0
36
Specific Heat Capacity, J/kg-K 450
760
Stiffness to Weight: Axial, points 4.7
31
Stiffness to Weight: Bending, points 35
89
Thermal Conductivity, W/m-K 4.8
40
Thermal Diffusivity, mm2/s 3.9
31
Thermal Expansion, µm/m-K 39
4.0