产 品 说 明                                                                                                                    

OPTICAL

Transmission Range1.2 to 15 microns

Refractive Index3.4223 at 5 microns

Reflection Loss51.0% at 5 µm (2 surfaces)

Index of Absorption1 x 10-3 cm-1 at 3 microns

dN/dT160 x 10-6/°C

dN/dµ = 010.4µm



PHYSICAL

Density2.33 g/cm3

Melting Point1420°C

Thermal Conductivity163.3 Wm-1K-1 at 273K

Thermal Expansion4.15 x 10-6/°C

HardnessKnoop 1150

Specific Heat Capacity703 J kg-1K-1

Dielectric Constant13 at 10GHz

Young's Modulus (E)131 GPa

Shear Modulus (G)79.9 GPa

Bulk Modulus (K)102 GPa

Elastic CoefficientsC11 = 167 C12 = 65 C44 = 80

Poisson Ratio0.266



CHEMICAL

SolubilityInsoluble in water

Molecular Weight28.09

Class/StructureCubic diamond, Fd3m