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Potassium Bromide vs. Aluminosilicate Glass

Potassium bromide belongs to the non-glass optical ceramics classification, while aluminosilicate glass belongs to the glass and glass-ceramics. There are 6 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is potassium bromide and the bottom bar is aluminosilicate glass.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 2.8
2.4
Dielectric Constant (Relative Permittivity) At 1 MHz 4.9
6.3
Elastic (Young's, Tensile) Modulus, GPa 24
87
Electrical Dissipation At 1 MHz 0.00020
0.0037
Stiffness to Weight: Axial, points 4.7
20
Stiffness to Weight: Bending, points 35
63