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Mateck Lithium Fluoride (LiF)
| Category | Ceramic , Halide |
| Manufacturer | Mateck GmbH |
| Trade Name | |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Mateck Lithium Fluoride (LiF).pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Optical crystals
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 2.60 g/cc | 0.0939 lb/in³ | |
| Solubility | 0.27 ppm | 0.27 ppm | |
| a Lattice Constant | 4.026 Ã… | 4.026 Ã… | |
| c Lattice Constant | 4.026 Ã… | 4.026 Ã… | |
| Molecular Weight | 25.94 g/mol | 25.94 g/mol |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Vickers Microhardness | 980 | 980 | MPa |
| Hardness, Mohs | 4.0 | 4.0 | |
| Modulus of Elasticity | 88.4 GPa | 12800 ksi | in <100> direction |
| 142.2 GPa | 20620 ksi | in <111> direction | |
| Poissons Ratio | 0.27 | 0.27 | |
| Shear Modulus | 40.9 GPa | 5930 ksi | in <100> direction |
| 62.9 GPa | 9120 ksi | in <111> direction |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 28.1 - 34.8 µm/m-°C @Temperature -60.0 - 60.0 °C |
15.6 - 19.3 µin/in-°F @Temperature -76.0 - 140 °F |
|
| Specific Heat Capacity | 1.562 J/g-°C | 0.3733 BTU/lb-°F | |
| Thermal Conductivity | 14.2 W/m-K @Temperature 38.0 °C |
98.5 BTU-in/hr-ft²-°F @Temperature 100 °F |
|
| Melting Point | 870 °C | 1600 °F |
| Optical Properties | Metric | English | Comments |
|---|---|---|---|
| Refractive Index | 1.3931 | 1.3931 | at ne |
| 1.101 @Wavelength 10000 nm |
1.101 @Wavelength 10000 nm |
||
| 1.262 @Wavelength 7000 nm |
1.262 @Wavelength 7000 nm |
||
| 1.3871 @Wavelength 1000 nm |
1.3871 @Wavelength 1000 nm |
||
| 1.439 @Wavelength 200 nm |
1.439 @Wavelength 200 nm |
||
| IR Transmittance | 14 % @Wavelength 7000 nm |
14 % @Wavelength 7000 nm |
Internal Transmittance |
| 97 % @Wavelength 1000 nm |
97 % @Wavelength 1000 nm |
Internal Transmittance | |
| 97 % @Wavelength 3000 nm |
97 % @Wavelength 3000 nm |
Internal Transmittance | |
| UV Transmittance | 90 % @Wavelength 200 nm |
90 % @Wavelength 200 nm |
Internal Transmittance |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Cleavability | (100) | perfect |
| Constants of Elastic Compliance (Pa^-1) | 1.132E-11 | S11 |
| 1.591E-11 | S44 | |
| -3.06E-12 | S12 | |
| Symmetry Class | m3m | |
| Syngony | cubic | |
| Thermal Coefficient of Refractive Index | -1.25E-5 to -1.51E-5 | at 3.39 microns for ± 60°C |
| Transmission Range (microns) | 0.12 - 6.5 |
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