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Mateck Barium Fluoride, BaF2

Category Ceramic , Halide
Manufacturer Mateck GmbH
Trade Name
Port Ningbo 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 4.83 g/cc

@Temperature 20.0 °C
0.174 lb/in³

@Temperature 68.0 °F
Solubility 0.17 ppm
0.17 ppm
a Lattice Constant 6.196 Ã…
6.196 Ã…
c Lattice Constant 6.196 Ã…
6.196 Ã…
Molecular Weight 175.3 g/mol
175.3 g/mol
Mechanical Properties Metric English Comments
Vickers Microhardness 820
820
MPa
Hardness, Mohs 3.0
3.0
Modulus of Elasticity 65.4 GPa
9490 ksi
<100> direction
66.3 GPa
9620 ksi
<111> direction
Poissons Ratio 0.307
0.307
Shear Modulus 25.1 GPa
3640 ksi
<100> direction
25.3 GPa
3670 ksi
<111> direction
Thermal Properties Metric English Comments
CTE, linear 16.5 - 19.2 µm/m-°C

@Temperature -60.0 - 60.0 °C
9.17 - 10.7 µin/in-°F

@Temperature -76.0 - 140 °F
Specific Heat Capacity 0.456 J/g-°C
0.109 BTU/lb-°F
Thermal Conductivity 7.10 W/m-K

@Temperature 38.0 °C
49.3 BTU-in/hr-ft²-°F

@Temperature 100 °F
Melting Point 1354 °C
2469 °F
Optical Properties Metric English Comments
Refractive Index 1.3926
1.3926
at n10.5
1.4759
1.4759
at ne
1.305

@Wavelength 15000 nm
1.305

@Wavelength 15000 nm
1.4014

@Wavelength 10000 nm
1.4014

@Wavelength 10000 nm
1.4647

@Wavelength 2000 nm
1.4647

@Wavelength 2000 nm
1.5573

@Wavelength 200 nm
1.5573

@Wavelength 200 nm
IR Transmittance 42 %

@Wavelength 12000 nm
42 %

@Wavelength 12000 nm
Internal Transmittance
97 %

@Wavelength 1000 nm
97 %

@Wavelength 1000 nm
Internal Transmittance
97 %

@Wavelength 7000 nm
97 %

@Wavelength 7000 nm
Internal Transmittance
UV Transmittance 70 %

@Wavelength 200 nm
70 %

@Wavelength 200 nm
Internal Transmittance
Descriptive Properties Value Comments
Absorption loss (cm^-1) 0.08
at 0.4 microns
0.13
at 10.6 microns
0.2
at 0.2 microns
Cleavability (111)
perfect
Constants of Elastic Compliance (Pa^-1) 1.53E-11
S11
39.47
S44
-4.69E-12
S12
Symmetry Class m3m
Syngony cubic
Thermal Coefficient of Refractive Index -1.27E-5 to -1.51E-5
3.39 microns for ± 60°C
Thermal Stability, °C 10±2
Transmission Range (microns) 0.15 - 12.5
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