Calcium Fluoride vs. Ferrite
Calcium fluoride belongs to the non-glass optical ceramics classification, while ferrite belongs to the oxide-based engineering ceramics. There are 9 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is calcium fluoride and the bottom bar is ferrite.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 3.2 | |
| 4.7 to 4.8 |
| Elastic (Young's, Tensile) Modulus, GPa | 80 | |
| 120 to 140 |
| Knoop Hardness | 160 | |
| 630 to 700 |
| Specific Heat Capacity, J/kg-K | 860 | |
| 710 to 1050 |
| Stiffness to Weight: Axial, points | 14 | |
| 15 to 16 |
| Stiffness to Weight: Bending, points | 45 | |
| 35 to 36 |
| Thermal Conductivity, W/m-K | 9.7 | |
| 3.9 to 6.3 |
| Thermal Diffusivity, mm2/s | 3.5 | |
| 0.78 to 1.9 |
| Thermal Expansion, µm/m-K | 19 | |
| 8.0 to 9.3 |