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Mateck Magnesium Fluoride (MgF2)
| 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 Magnesium Fluoride (MgF2).pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Optical crystals
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 3.18 g/cc | 0.115 lb/in³ | |
| Solubility | 0.0076 ppm | 0.0076 ppm | |
| a Lattice Constant | 4.64 Ã… | 4.64 Ã… | |
| c Lattice Constant | 3.06 Ã… | 3.06 Ã… | |
| Molecular Weight | 62.32 g/mol | 62.32 g/mol |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Vickers Microhardness | 2890 | 2890 | MPa |
| 4410 | 4410 | MPa | |
| Hardness, Mohs | 6.0 | 6.0 | |
| Modulus of Elasticity | 79.7 GPa | 11600 ksi | parallel to c-axis |
| 169.1 GPa | 24530 ksi | perpendicular to c-axis | |
| Poissons Ratio | 0.577 | 0.577 | |
| Shear Modulus | 57.1 GPa | 8280 ksi | perpendicular to c-axis |
| 95.2 GPa | 13800 ksi | parallel to c-axis |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 6.23 - 9.25 µm/m-°C @Temperature -60.0 - 60.0 °C |
3.46 - 5.14 µin/in-°F @Temperature -76.0 - 140 °F |
perpendicular to c-axis |
| 10.86 - 14.54 µm/m-°C @Temperature -60.0 - 60.0 °C |
6.033 - 8.078 µin/in-°F @Temperature -76.0 - 140 °F |
parallel to c-axis | |
| Specific Heat Capacity | 0.920 J/g-°C | 0.220 BTU/lb-°F | |
| Melting Point | 1255 °C | 2291 °F |
| Optical Properties | Metric | English | Comments |
|---|---|---|---|
| Refractive Index | 1.3786 | 1.3786 | at ne |
| 1.3904 | 1.3904 | at nf' Â - nc' | |
| 1.3044 @Wavelength 7000 nm |
1.3044 @Wavelength 7000 nm |
no | |
| 1.3101 @Wavelength 7000 nm |
1.3101 @Wavelength 7000 nm |
ne | |
| 1.3618 @Wavelength 3000 nm |
1.3618 @Wavelength 3000 nm |
no | |
| 1.3724 @Wavelength 3000 nm |
1.3724 @Wavelength 3000 nm |
ne | |
| 1.4231 @Wavelength 200 nm |
1.4231 @Wavelength 200 nm |
no | |
| 1.4367 @Wavelength 200 nm |
1.4367 @Wavelength 200 nm |
ne | |
| Transmission, Visible | 97 % @Wavelength 500 nm |
97 % @Wavelength 500 nm |
Internal Transmittance |
| IR Transmittance | 12 % @Wavelength 8000 nm |
12 % @Wavelength 8000 nm |
Internal Transmittance |
| 91 % @Wavelength 6000 nm |
91 % @Wavelength 6000 nm |
Internal Transmittance | |
| UV Transmittance | 95 % @Wavelength 200 nm |
95 % @Wavelength 200 nm |
Internal Transmittance |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Cleavability | (100) | perfect |
| (110) | ||
| Constants of Elastic Compliance (Pa^-1) | 1.053E-11 | S66 |
| 1.245E-11 | S11 | |
| -1.66E-12 | S13 | |
| 1.754E-11 | S44 | |
| 5.94E-12 | S33 | |
| -7.16E-12 | S12 | |
| Symmetry Class | 4/mmm | |
| Syngony | tetragonal | |
| Thermal Coefficient of Refractive Index | 1.5E-6 to 1E-6 | ß0 at 3.39 microns for ±60°C |
| 1.5E-6 to 1E-6 | ße at 3.39 microns for ±60°C | |
| Transmission Range (microns) | 0.13 - 0.7 |
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