https://www.high-endrolex.com/1

  • Mendelstraße 11,
    D-48149 Münster
Optical and spectral properties
Transmission range in µm (minimum 10%)
0,18‐6,4
Transmission range in µm (minimum 50%)
0,2‐6,2
Refractive index @633nm
1,829
Reflection losses in % at 1 surface @3µm
7,9
dN/dT in 1/K
5 · 10-6
Physical properties
Density in g/cm3
4,56
Melting point in °C
1950
Specific heat capacity in J/(kg · K)
628
Thermal conductivity in W/(m · K)
13,1
Thermal expansion in 1/K
7,8 · 10-6 (111)

7,9 · 10-6 (110)

8,2 · 10-6(100)

Dielectric constant
7,75
Solubility in water in g/100g
insoluble
Mohs hardness
8‐8,5
Knoop hardness in kg/mm²
1350 <100>
Material type
single crystalline, synthetic
Crystal type
cubic
Crystal structure
m3m
Lattice constant in Å
a = 10
Elastic coefficient in GPa
C11 = 333

C12 = 111

C44 = 114

Young's Modulus (E) in Gpa
280
Shear Modulus (G) in GPa
113
Bulk Modulus (K) in GPa
180
Rupture Modulus in MPa
150
Elastizitätsgrenze in MPa
280
Poisson's ratio
0,17
Spectral properties
sample thickness: 1 mm