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Crystal properties
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Crystal Type
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cubic
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Transmission Range
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0.21 ... 26 µm
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Refractive Index
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1.49980 @ 9,5 µm
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Reflective Loss
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7.5 % @ 10.0 µm
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Reststrahlen
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50.1 µm
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Density.
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2.165 g/cm3
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Melting Point
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801 °C
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Molecular Weight
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58.443
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Thermal Conductivity
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6.49 W/(m K)
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Specific Heat
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854 J/(kg K)
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Thermal Expansion.
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44×10–6 / K @ –50...200 °C
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Hardness (Knoop)
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15.2 <110> 18.2 <100> (indenter load: 200 g)
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Young’s Modulus
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39.98 GPa
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Shear Modulus
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12.61 GPa
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Bulk Modulus
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24.42 GPa
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Rupture Modulus
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2.38 Mpa
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Elastic Coefficient
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C11 = 48.7 / C12 = 12.6 / C44 = 12.75 GPa
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Dielectric Constant
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5.9 @ 25 °C, f = 100 Hz...25 GHz
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Solubility in Water
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35.7 g / 100 g @ 0 °C
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Cleavage Planes
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(100)
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Standard Diameter
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180 mm larger diameters on request
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Application
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material for IR optic, CO2 laser windows
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Remarks
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soluble in glycerol, slightly soluble in alcohol and aquos ammonia, insoluble in HCl
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