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Thallium Bromoiodide vs. Soda-lime Glass

Thallium bromoiodide belongs to the non-glass optical ceramics classification, while soda-lime glass belongs to the glass and glass-ceramics. There are 12 material properties with values for both materials. Properties with values for just one material (9, 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 thallium bromoiodide and the bottom bar is soda-lime glass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 31
70 to 71
Poisson's Ratio 0.37
0.23
Shear Modulus, GPa 12
29

Thermal Properties

Specific Heat Capacity, J/kg-K 150
720 to 800
Thermal Conductivity, W/m-K 0.55
1.0 to 1.1
Thermal Expansion, µm/m-K 6.0
8.8 to 9.0

Otherwise Unclassified Properties

Density, g/cm3 7.4
2.4
Light Transmission Range, µm 0.6 to 40
0.35 to 2.5
Refractive Index 2.4
1.5

Common Calculations

Stiffness to Weight: Axial, points 2.3
16
Stiffness to Weight: Bending, points 14
56
Thermal Diffusivity, mm2/s 0.5
0.51 to 0.6