PROPERTIES of Barium Fluoride (BaF2)

MECHANICAL PROPERTIES
Young Modulus : 53.05 GPa
Shear Modulus : 25.4 GPa
Bulk Modulus : 56.4 GPa
Knoop Hardness : 0.78 GPa
Poisson's Ratio : 0.343
Elastic Coefficients : C11=89.2; C12=40; C44=25.4
Apparent Elastic Limit : 26.9 MPa
Solubility : 0.17g in 100g of water @ 23°C
Density : 4.89 g/cm3

THERMAL PROPERTIES
Melting Point : 1280°C
Specific Heat : 0.096 cal/(g·°C) @ 13°C
Thermal Expansion Coefficient : 18.10 x10-6 °C-1 @ 0°C
Thermal Conductivity : 11.7 W/(m·°C) @ 13°C

ELECTRICAL PROPERTIES
Dielectric Constant for 2 x 106Hz : 7.33

OPTICAL PROPERTIES
Transmission Range : 0.15...12.5μm
Transmittance : 90% (0.35...10μm; 3mm thick)
Refractive Index within 0.26...12mm : 1.5122...1.3703
Cleavage Plane : (111)