| |
| Physical Properties | Original Value | Comments |
|---|
| Density | 3.51 g/cc |
| |
| Mechanical Properties | Original Value | Comments |
|---|
| Hardness, Knoop | 560 |
| Modulus of Elasticity | 84.0 GPa |
| Modulus of Rupture | 6.37 ksi |
| Poissons Ratio | 0.29 |
| Shear Modulus | 35.4 GPa |
| |
| Electrical Properties | Original Value | Comments |
|---|
| Volume Resistivity | 3.20e+10 ohm-cm
@Temperature 550 °C |
| | 3.20e+12 ohm-cm
@Temperature 450 °C |
| | 7.90e+14 ohm-cm
@Temperature 350 °C |
| Dielectric Constant | 9.95
@Frequency 100 - 10000 Hz,
Temperature 350 °C |
| | 10.05
@Frequency 10000 Hz,
Temperature 400 °C |
| | 10.08
@Frequency 100 Hz,
Temperature 400 °C |
| | 10.08
@Frequency 1000 Hz,
Temperature 400 °C |
| | 10.35
@Frequency 10000 Hz,
Temperature 550 °C |
| | 10.41
@Frequency 1000 Hz,
Temperature 550 °C |
| | 10.61
@Frequency 100 Hz,
Temperature 550 °C |
| Dissipation Factor | 0.00115
@Frequency >=100 Hz,
Temperature 300 °C |
| | 0.0013
@Frequency >=1000 Hz,
Temperature 3200 °C |
| | 0.00137
@Frequency >=100 Hz,
Temperature 25.0 °C |
| | 0.00137
@Frequency >=1000 Hz,
Temperature 25.0 °C |
| | 0.0015
@Frequency >=10000 Hz,
Temperature 300 °C |
| | 0.0017
@Frequency >=10000 Hz,
Temperature 25.0 °C |
| | 0.0039
@Frequency >=10000 Hz,
Temperature 550 °C |
| | 0.013
@Frequency >=1000 Hz,
Temperature 550 °C |
| | 0.072
@Frequency >=100 Hz,
Temperature 550 °C |
| |
| Thermal Properties | Original Value | Comments |
|---|
| Thermal Conductivity | 1.00 W/m-K |
| | 0.00480 cal cm/sec-cm²-°C
@Temperature 190 °C |
| | 0.00720 cal cm/sec-cm²-°C
@Temperature 320 °C |
| | 0.00960 cal cm/sec-cm²-°C
@Temperature 425 °C |
| | 0.0120 cal cm/sec-cm²-°C
@Temperature 525 °C |
| | 0.0144 cal cm/sec-cm²-°C
@Temperature 600 °C |
| Maximum Service Temperature, Air | 650 °C |
| | 850 °C |
| Softening Point | 874 °C |
| Annealing Point | 735 °C |
| Strain Point | 697 °C |
| |
| Optical Properties | Original Value | Comments |
|---|
| Refractive Index | 1.56569
@Wavelength 5500 nm |
| | 1.59521
@Wavelength 4500 nm |
| | 1.61686
@Wavelength 3500 nm |
| | 1.63203
@Wavelength 2500 nm |
| | 1.6431
@Wavelength 1500 nm |
| | 1.6506
@Wavelength 950 nm |
| | 1.65289
@Wavelength 850 nm |
| | 1.65599
@Wavelength 750 nm |
| | 1.656
@Wavelength 656.3 nm |
| | 1.6601
@Wavelength 589.3 nm |
| | 1.66356
@Wavelength 600 nm |
| | 1.66754
@Wavelength 550 nm |
| | 1.6702
@Wavelength 486.1 nm |
| | 1.69093
@Wavelength 400 nm |
| Abbe Number | 46.5 |
| Transmission, Visible | 85 %
@Thickness 1.346 mm,
Wavelength 400 nm |
| | 86 %
@Wavelength 450 - 650 nm,
Thickness 1.346 mm |
| IR Transmittance | 5.0 %
@Thickness 1.346 mm,
Wavelength 6000 nm |
| | 68 %
@Thickness 1.346 mm,
Wavelength 5000 nm |
| | 85 %
@Wavelength 3000 - 4000 nm,
Thickness 1.346 mm |
| | 88 %
@Wavelength 1000 - 2500 nm,
Thickness 1.346 mm |
| UV Transmittance | 0.00 %
@Thickness 1.346 mm,
Wavelength 250 nm |
| | 10 %
@Thickness 1.346 mm,
Wavelength 300 nm |
| | 70 %
@Thickness 1.346 mm,
Wavelength 350 nm |
| |
| Descriptive Properties |
|---|
| Stress Optical Coefficient | 262 nm/cm/kg/mm² |
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