Refractive Index :

2.4028 at 10.6 μm

Reflection Loss :

29.1% at 10.6 μm (2 surfaces)

Absorption Coefficient :

0.0005 cm-1 at 10.6 μm

Reststrahlen Peak :

45.7 μm

dn/dT :

+61 x   10-6/°C at 10.6 μm at 298K

dn/dμ = 0 :

5.5 μm

Density :

5.27   g/cc

Melting Point :

1525°C (see notes below)

Thermal Conductivity :

18 W m-1 K-1 at 298K

Thermal Expansion :

7.1 x 10-6 /°C at 273K

Hardness :

Knoop 120 with 50g indenter

Specific Heat Capacity :

339J Kg-1 K-1

Dielectric Constant :

n/a

Youngs Modulus (E) :

67.2 GPa

Shear Modulus (G) :

n/a

Bulk Modulus (K) :

40 GPa

Elastic Coefficients :

Not Available

Apparent Elastic Limit :

55.1 MPa (8000 psi)

Poisson Ratio :

0.28

Solubility :

0.001g/100g water

Molecular Weight :

144.33

Class/Structure :

FCC   Cubic, F43m (#216), Zinc Blende structure. (Polycrystalline)

0.54

2.6754

0.58

2.6312

0.62

2.5994

0.66

2.5755

0.7

2.5568

0.74

2.5418

0.78

2.5295

0.82

2.5193

0.86

2.5107

0.90

2.5034

0.94

2.4971

0.98

2.4916

1.0

2.4892

1.4

2.4609

1.8

2.4496

2.2

2.4437

2.6

2.4401

3.0

2.4376

3.4

2.4356

3.8

2.4339

4.2

2.4324

4.6

2.4309

5.0

2.4295

5.4

2.4281

5.8

2.4266

6.2

2.4251

6.6

2.4235

7.0

2.4218

7.4

2.4201

7.8

2.4183

8.2

2.4163

8.6

2.4143

9.0

2.4122

9.4

2.4100

9.8

2.4077

10.2

2.4053

10.6

2.4028

11.0

2.4001

11.4

2.3974

11.8

2.3945

12.2

2.3915

12.6

2.3883

13.0

2.3850

13.4

2.3816

13.8

2.3781

14.2

2.3744

14.6

2.3705

15.0

2.3665

15.4

2.3623

15.8

2.3579

16.2

2.3534

16.6

2.3487

17.0

2.3438

17.4

2.3387

17.8

2.3333

18.2

2.3278