MakeItFrom.com
Menu (ESC)

Potassium Chloride vs. Calcium Fluoride

Both potassium chloride and calcium fluoride are non-glass optical ceramics. There are 13 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is potassium chloride and the bottom bar is calcium fluoride.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 28
80
Poisson's Ratio 0.18
0.26
Shear Modulus, GPa 8.5
34

Thermal Properties

Melting Onset (Solidus), °C 780
1420
Specific Heat Capacity, J/kg-K 690
860
Thermal Conductivity, W/m-K 6.5
9.7
Thermal Expansion, µm/m-K 36
19

Otherwise Unclassified Properties

Density, g/cm3 2.0
3.2
Light Transmission Range, µm 0.21 to 20
0.15 to 9.0
Refractive Index 1.6
1.4

Common Calculations

Stiffness to Weight: Axial, points 7.7
14
Stiffness to Weight: Bending, points 51
45
Thermal Diffusivity, mm2/s 4.7
3.5