产 品 说 明
| OPTICAL | ||
| Transmission Range | 0.12 to 8.5 microns | |
| Refractive Index | 1.3943 at 0. 5 microns | |
| Reflection Loss | 5.4% at 0.5 µm (2 surfaces) | |
| Restrahlen Peak | 25 microns | |
| dN/dT | -12.7 x 10-6/ °C at 0.6 microns | |
| PHYSICAL | ||
| Density | 2.63905 g/cm3 | |
| Melting Point | 870 °C | |
| Thermal Conductivity | 4. 01 W/(m K) at 41 °C | |
| Thermal Expansion | 37 x 10-6/ °C | |
| Hardness | Knoop 102 to 113 kg/mm2 with 600g indenter | |
| Specific Heat Capacity | 1562 J/(kg K) at 10 °C | |
| Dielectric Constant | 9.1 at 25 °C | |
| Young's Modulus (E) | 64.79 GPa | |
| Shear Modulus (G) | 55.14 GPa | |
| Bulk Modulus (K) | 62.03 GPa | |
| Elastic Coefficients | C11=97.4 C12=40.4 C44=55.4 | |
| Apparent Elastic Limit | 11.2 MPa | |
| Poisson Ratio | 0.326 | |
| CHEMICAL | ||
| Solubility | 0.27g/l00g water at 20 °C | |
| Molecular Weight | 25.94 | |
| Class/Structure | FCC, NaCl structure. Cleavage (100) | |