Customization: | Available |
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After-sales Service: | 3r Quality Warranty-Return, Replacement, Refund |
Warranty: | 12months |
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Items | Value |
Coefficient of Thermal Expansion [K-1] @273K [K-1] @373K [K-1] @473K [K-1] @208-573K |
[K-1] @273K 6.6 x 10-6 [K-1] @373K 7.3 x 10-6 [K-1] @473K 7.7 x 10-6 |
Thermal conductivity [JK-1m-1s-1] @298K |
16.7 |
Heat capacity [Jg-1K-1] @298K [Jg-1K-1] @273K [Jg-1K-1] @323K [Jg-1K-1] @373K |
0.469 |
Items | Value |
Hardness: Knoop, 50g load [kg mm-2] Vickers, 1kg load [kg mm-2] |
200-235 230 |
Flexural strength (modulus of rupture) 4pt. loading [psi] 4pt. loading [MPa] |
15 x 103 103 84 |
Fracture toughness (critical stress intensity factor, KIC values) [MPa m, Vickers, 100g] |
0.8 |
Posssion's Ration u | 0.290 |
Young's modulus [psi] [GPa] |
10.8 x 106 74.5 |
Poisson's ratio(Cleartran) | 0.28 |
Crystal structure | Cubic |
Grain size | 2-8um |
Density [g/cm-3] @298K | 4.09 |
Resistivity [ cm] | ~1012 |
Chemical purity [%] | 99.996 |
Items | Value |
10% transmission limits (t=6mm) |
1.0μm - 14μm |
Index of refraction inhomogeneity (Dn/n) |
<100ppm @10.6um |
Thermo-optic coefficient dn/dT (298-358K) K-1 @ 0.6328μm K-1 @ 1.15μm K-1 @ 3.39μm K-1 @ 10.6μm |
4.6 x 10-5 4.3 x 10-5 4.1 x 10-5 |
Bulk absorption coefficient cm-1 @ 1.3μm cm-1 @ 2.7μm cm-1 @ 3.8μm cm-1 @ 5.25μm cm-1 @ 10.6μm |
2.0 x 10-1 |
Applying Fields: | 1).High energy CO2 laser system 2).High resolution forward looking infrared (fur) 3).Protection window of thermal imaging equipment 4).Small size windows and lenses for medical and industrial applications, such as thermometers and spectrometers. 5). Evaporation source material |
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