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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
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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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