产 品 说 明
| OPTICAL | ||
| Transmission Range | 0.13 to 10 microns | |
| Refractive Index | 1.39908 at 5 microns | |
| Reflection Loss | 5.5% at 5 µm (2 surfaces) | |
| Restrahlen Peak | 35 microns | |
| dN/dT | -10.6 x 10-6/°C | |
| PHYSICAL | ||
| Density | 3.18 g/cm3 | |
| Melting Point | 1360 °C | |
| Thermal Conductivity | 9.71 W/(m*K) | |
| Thermal Expansion | 18.85 x 10-6/°C | |
| Hardness | Knoop 158.3 kg/mm2 (100) | |
| Specific Heat Capacity | 854J/(kg K) | |
| Dielectric Constant | 6.76 at 1MHz | |
| Young's Modulus (E) | 75.8 GPa | |
| Shear Modulus (G) | 33.77 GPa | |
| Bulk Modulus (K) | 82.71 GPa | |
| Elastic Coefficients | C11=164 MPa, C12=53 MPa, C44=33.7 MPa | |
| Apparent Elastic Limit | 36.54 MPa | |
| Poisson Ratio | 0.26 | |
| CHEMICAL | ||
| Solubility | 0.0017g/100g water at 20 °C | |
| Molecular Weight | 78.08 | |
| Class/Structure | Cubic (111) cleavage | |
| CaF2晶体 | |
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