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Mateck Cesium Iodide, CsI

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
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Material Notes:
Optical crystals
Physical Properties Metric English Comments
Density 4.509 g/cc
0.1629 lb/in³
Solubility 44 ppm
44 ppm
a Lattice Constant 4.567 Ã…
4.567 Ã…
Molecular Weight 259.81 g/mol
259.81 g/mol
Mechanical Properties Metric English Comments
Hardness, Mohs 1.0 - 2.0
1.0 - 2.0
Modulus of Elasticity 2.00 GPa
290 ksi
Poissons Ratio 0.214
0.214
Shear Modulus 6.24 GPa
905 ksi
Thermal Properties Metric English Comments
CTE, linear 48.1 µm/m-°C

@Temperature 0.000 - 30.0 °C
26.7 µin/in-°F

@Temperature 32.0 - 86.0 °F
Specific Heat Capacity 0.200 J/g-°C
0.0478 BTU/lb-°F
Thermal Conductivity 1.10 W/m-K

@Temperature 25.0 °C
7.63 BTU-in/hr-ft²-°F

@Temperature 77.0 °F
Melting Point 621 °C
1150 °F
Optical Properties Metric English Comments
Refractive Index 1.678
1.678
n40.0
1.74
1.74
n10.0
1.611

@Wavelength 55000 nm
1.611

@Wavelength 55000 nm
1.708

@Wavelength 30000 nm
1.708

@Wavelength 30000 nm
1.747

@Wavelength 2000 nm
1.747

@Wavelength 2000 nm
2.21

@Wavelength 250 nm
2.21

@Wavelength 250 nm
Transmission, Visible 84 %

@Wavelength 600 nm
84 %

@Wavelength 600 nm
Internal Transmittance
IR Transmittance 11 %

@Wavelength 60000 nm
11 %

@Wavelength 60000 nm
Internal Transmittance
85 %

@Wavelength 30000 nm
85 %

@Wavelength 30000 nm
Internal Transmittance
UV Transmittance 10 %

@Wavelength 250 nm
10 %

@Wavelength 250 nm
Internal Transmittance
Descriptive Properties Value Comments
Absorption loss (cm^-1) 0.1
at 40 microns
0.33
at 45 microns
0.5
at 50 microns
Symmetry Class m3m, Pm3m
Syngony cubic
Thermal Coefficient of Refractive Index -1.27E-5 to -1.51E-5
Transmission Range (microns) 0.25 - 55
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