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Mateck Calcium Fluoride (CaF2)

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 3.18 g/cc

@Temperature 20.0 °C
0.115 lb/in³

@Temperature 68.0 °F
Solubility 0.0016 ppm
0.0016 ppm
a Lattice Constant 5.462 Ã…
5.462 Ã…
Molecular Weight 78.08 g/mol
78.08 g/mol
Mechanical Properties Metric English Comments
Vickers Microhardness 1650
1650
MPa
Hardness, Mohs 4.0
4.0
Modulus of Elasticity 89.9 GPa
13000 ksi
<111> direction
146.1 GPa
21190 ksi
<100> direction
Poissons Ratio 0.216
0.216
Shear Modulus 33.8 GPa
4900 ksi
<111> direction
47.6 GPa
6900 ksi
<100> direction
Thermal Properties Metric English Comments
CTE, linear 16.5 - 19.4 µm/m-°C

@Temperature -60.0 - 60.0 °C
9.17 - 10.8 µin/in-°F

@Temperature -76.0 - 140 °F
Specific Heat Capacity 0.8876 J/g-°C
0.2121 BTU/lb-°F
Thermal Conductivity 9.71 W/m-K

@Temperature 36.0 °C
67.4 BTU-in/hr-ft²-°F

@Temperature 96.8 °F
Melting Point 1418 °C
2584 °F
Optical Properties Metric English Comments
Refractive Index 1.2996
1.2996
n10.6
1.4349
1.4349
n3
1.2299

@Wavelength 12000 nm
1.2299

@Wavelength 12000 nm
1.3856

@Wavelength 6000 nm
1.3856

@Wavelength 6000 nm
1.4239

@Wavelength 2000 nm
1.4239

@Wavelength 2000 nm
1.4951

@Wavelength 200 nm
1.4951

@Wavelength 200 nm
Transmission, Visible 97 %

@Wavelength 500 nm
97 %

@Wavelength 500 nm
Internal Transmittance
IR Transmittance 19 %

@Wavelength 10000 nm
19 %

@Wavelength 10000 nm
Internal Transmittance
97 %

@Wavelength 7000 nm
97 %

@Wavelength 7000 nm
Internal Transmittance
UV Transmittance 87 %

@Wavelength 200 nm
87 %

@Wavelength 200 nm
Internal Transmittance
Descriptive Properties Value Comments
Cleavability (111)
perfect
Constants of Elastic Compliance (Pa^-1) -1.53E-12
S12
2.958E-11
S44
6.83E-12
S11
Symmetry Class m3m
Syngony cubic
Thermal Coefficient of Refractive Index -0.95E-5 to -1.17E-5
Thermal Stability, °C 20±2
Transmission Range (microns) 0.15 - 9
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