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Lithium Fluoride vs. Glass-bonded Mica

Lithium fluoride belongs to the non-glass optical ceramics classification, while glass-bonded mica belongs to the glass and glass-ceramics. There are 10 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is lithium fluoride and the bottom bar is glass-bonded mica.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 2.6
2.6
Dielectric Constant (Relative Permittivity) At 1 MHz 9.0
6.8
Elastic (Young's, Tensile) Modulus, GPa 120
71
Electrical Dissipation At 1 MHz 0.00020
0.0016
Specific Heat Capacity, J/kg-K 1560
500
Stiffness to Weight: Axial, points 24
15
Stiffness to Weight: Bending, points 62
52
Thermal Conductivity, W/m-K 12
23
Thermal Diffusivity, mm2/s 2.9
18
Thermal Expansion, µm/m-K 32
6.7