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Mateck Silicon (Si)
| Category | Pure Element |
| 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 Silicon (Si).pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Optical crystals
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 2.329 g/cc | 0.08414 lb/in³ | |
| Solubility | 0.00 ppm | 0.00 ppm | |
| a Lattice Constant | 5.43089 Ã… | 5.43089 Ã… | |
| Molecular Weight | 28.09 g/mol | 28.09 g/mol |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Mohs | 7.0 | 7.0 | |
| Modulus of Elasticity | 18.9 GPa | 2740 ksi | |
| Poissons Ratio | 0.266 | 0.266 | |
| Shear Modulus | 79.9 GPa | 11600 ksi |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 2.55 µm/m-°C @Temperature 25.0 °C |
1.42 µin/in-°F @Temperature 77.0 °F |
|
| Specific Heat Capacity | 0.712 J/g-°C | 0.170 BTU/lb-°F | |
| Thermal Conductivity | 159 W/m-K | 1100 BTU-in/hr-ft²-°F | |
| Melting Point | 1412 °C | 2574 °F |
| Optical Properties | Metric | English | Comments |
|---|---|---|---|
| Refractive Index | 3.426 | 3.426 | at n5.0 |
| 3.436 | 3.436 | at n3.0 | |
| 3.422 @Wavelength 9000 nm |
3.422 @Wavelength 9000 nm |
||
| 3.426 @Wavelength 5000 nm |
3.426 @Wavelength 5000 nm |
||
| 3.484 @Wavelength 1500 nm |
3.484 @Wavelength 1500 nm |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Symmetry Class | m3m Fd3m | |
| Syngony | cubic | |
| Thermal Coefficient of Refractive Index | 0.00015 | |
| Transmission Range (microns) | 1.2 - 10 | |
| 50 - 100 |
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