|
Physical Properties | Metric | English | Comments |
---|
Density | 2.93 g/cc | 0.106 lb/in³ |
|
Mechanical Properties | Metric | English | Comments |
---|
Hardness, Knoop | 612 | 612 |
Modulus of Elasticity | 96.0 GPa | 13900 ksi |
Poissons Ratio | 0.251 | 0.251 |
Shear Modulus | 38.4 GPa | 5570 ksi |
|
Thermal Properties | Metric | English | Comments |
---|
CTE, linear | 9.00 µm/m-°C @Temperature -20.0 - 70.0 °C | 5.00 µin/in-°F @Temperature -4.00 - 158 °F |
| 11.1 µm/m-°C @Temperature 30.0 - 200 °C | 6.17 µin/in-°F @Temperature 86.0 - 392 °F |
Specific Heat Capacity | 0.820 J/g-°C | 0.196 BTU/lb-°F |
Thermal Conductivity | 1.12 W/m-K | 7.77 BTU-in/hr-ft²-°F |
Transformation Temperature, Tg | 508 °C | 946 °F |
Softening Point | 602 °C | 1120 °F |
Annealing Point | 508 °C | 946 °F |
|
Optical Properties | Metric | English | Comments |
---|
Refractive Index | 1.674 @Wavelength 2323.4 nm | 1.674 @Wavelength 2323.4 nm |
| 1.68 @Wavelength 1970.1 nm | 1.68 @Wavelength 1970.1 nm |
| 1.687 @Wavelength 1529.6 nm | 1.687 @Wavelength 1529.6 nm |
| 1.697 @Wavelength 1060 nm | 1.697 @Wavelength 1060 nm |
| 1.698 @Wavelength 1014 nm | 1.698 @Wavelength 1014 nm |
| 1.703 @Wavelength 852.1 nm | 1.703 @Wavelength 852.1 nm |
| 1.711 @Wavelength 706.5 nm | 1.711 @Wavelength 706.5 nm |
| 1.715 @Wavelength 656.3 nm | 1.715 @Wavelength 656.3 nm |
| 1.716 @Wavelength 643.8 nm | 1.716 @Wavelength 643.8 nm |
| 1.717 @Wavelength 632.8 nm | 1.717 @Wavelength 632.8 nm |
| 1.722 @Wavelength 589.3 nm | 1.722 @Wavelength 589.3 nm |
| 1.722 @Wavelength 587.6 nm | 1.722 @Wavelength 587.6 nm |
| 1.72833 @Wavelength 546.1 nm | 1.72833 @Wavelength 546.1 nm |
| 1.74 @Wavelength 486.1 nm | 1.74 @Wavelength 486.1 nm |
| 1.741 @Wavelength 480 nm | 1.741 @Wavelength 480 nm |
| 1.755 @Wavelength 435.8 nm | 1.755 @Wavelength 435.8 nm |
| 1.768 @Wavelength 404.7 nm | 1.768 @Wavelength 404.7 nm |
Abbe Number | 29 | 29 |
| 29.23 | 29.23 |
Optical Dispersion | 0.024718 | 0.024718 |
| 0.025116 | 0.025116 |
Transmission, Visible | 84 % @Thickness 25.0 mm, Wavelength 436 nm | 84 % @Thickness 0.984 in, Wavelength 436 nm |
| 91 % @Thickness 25.0 mm, Wavelength 420 nm | 91 % @Thickness 0.984 in, Wavelength 420 nm |
| 96.3 % @Thickness 10.0 mm, Wavelength 420 nm | 96.3 % @Thickness 0.394 in, Wavelength 420 nm |
| 96.4 % @Thickness 25.0 mm, Wavelength 460 nm | 96.4 % @Thickness 0.984 in, Wavelength 460 nm |
| 97.6 % @Thickness 10.0 mm, Wavelength 436 nm | 97.6 % @Thickness 0.394 in, Wavelength 436 nm |
| 98.3 % @Thickness 25.0 mm, Wavelength 500 nm | 98.3 % @Thickness 0.984 in, Wavelength 500 nm |
| 98.5 % @Thickness 10.0 mm, Wavelength 460 nm | 98.5 % @Thickness 0.394 in, Wavelength 460 nm |
| 99.2 % @Thickness 25.0 mm, Wavelength 546 nm | 99.2 % @Thickness 0.984 in, Wavelength 546 nm |
| 99.3 % @Thickness 25.0 mm, Wavelength 620 nm | 99.3 % @Thickness 0.984 in, Wavelength 620 nm |
| 99.3 % @Thickness 10.0 mm, Wavelength 500 nm | 99.3 % @Thickness 0.394 in, Wavelength 500 nm |
| 99.3 % @Thickness 25.0 mm, Wavelength 660 nm | 99.3 % @Thickness 0.984 in, Wavelength 660 nm |
| 99.4 % @Thickness 25.0 mm, Wavelength 700 nm | 99.4 % @Thickness 0.984 in, Wavelength 700 nm |
| 99.4 % @Thickness 25.0 mm, Wavelength 580 nm | 99.4 % @Thickness 0.984 in, Wavelength 580 nm |
| 99.7 % @Thickness 10.0 mm, Wavelength 546 nm | 99.7 % @Thickness 0.394 in, Wavelength 546 nm |
| 99.7 % @Thickness 10.0 mm, Wavelength 660 nm | 99.7 % @Thickness 0.394 in, Wavelength 660 nm |
| 99.7 % @Thickness 10.0 mm, Wavelength 620 nm | 99.7 % @Thickness 0.394 in, Wavelength 620 nm |
| 99.8 % @Thickness 10.0 mm, Wavelength 700 nm | 99.8 % @Thickness 0.394 in, Wavelength 700 nm |
| 99.8 % @Thickness 10.0 mm, Wavelength 580 nm | 99.8 % @Thickness 0.394 in, Wavelength 580 nm |
IR Transmittance | 58 % @Thickness 25.0 mm, Wavelength 2500 nm | 58 % @Thickness 0.984 in, Wavelength 2500 nm |
| 68 % @Thickness 25.0 mm, Wavelength 2325 nm | 68 % @Thickness 0.984 in, Wavelength 2325 nm |
| 80.4 % @Thickness 10.0 mm, Wavelength 2500 nm | 80.4 % @Thickness 0.394 in, Wavelength 2500 nm |
| 85.7 % @Thickness 10.0 mm, Wavelength 2325 nm | 85.7 % @Thickness 0.394 in, Wavelength 2325 nm |
| 89 % @Thickness 25.0 mm, Wavelength 1970 nm | 89 % @Thickness 0.984 in, Wavelength 1970 nm |
| 95.4 % @Thickness 10.0 mm, Wavelength 1970 nm | 95.4 % @Thickness 0.394 in, Wavelength 1970 nm |
| 98.3 % @Thickness 25.0 mm, Wavelength 1530 nm | 98.3 % @Thickness 0.984 in, Wavelength 1530 nm |
| 99.3 % @Thickness 10.0 mm, Wavelength 1530 nm | 99.3 % @Thickness 0.394 in, Wavelength 1530 nm |
| 99.8 % @Thickness 25.0 mm, Wavelength 1060 nm | 99.8 % @Thickness 0.984 in, Wavelength 1060 nm |
| 99.9 % @Thickness 10.0 mm, Wavelength 1060 nm | 99.9 % @Thickness 0.394 in, Wavelength 1060 nm |
UV Transmittance | 0.90 % @Thickness 25.0 mm, Wavelength 365 nm | 0.90 % @Thickness 0.984 in, Wavelength 365 nm |
| 8.0 % @Thickness 25.0 mm, Wavelength 370 nm | 8.0 % @Thickness 0.984 in, Wavelength 370 nm |
| 16 % @Thickness 10.0 mm, Wavelength 365 nm | 16 % @Thickness 0.394 in, Wavelength 365 nm |
| 36.4 % @Thickness 10.0 mm, Wavelength 370 nm | 36.4 % @Thickness 0.394 in, Wavelength 370 nm |
| 39 % @Thickness 25.0 mm, Wavelength 380 nm | 39 % @Thickness 0.984 in, Wavelength 380 nm |
| 66 % @Thickness 25.0 mm, Wavelength 390 nm | 66 % @Thickness 0.984 in, Wavelength 390 nm |
| 68.6 % @Thickness 10.0 mm, Wavelength 380 nm | 68.6 % @Thickness 0.394 in, Wavelength 380 nm |
| 80 % @Thickness 25.0 mm, Wavelength 400 nm | 80 % @Thickness 0.984 in, Wavelength 400 nm |
| 84 % @Thickness 25.0 mm, Wavelength 405 nm | 84 % @Thickness 0.984 in, Wavelength 405 nm |
| 84.7 % @Thickness 10.0 mm, Wavelength 390 nm | 84.7 % @Thickness 0.394 in, Wavelength 390 nm |
| 91.5 % @Thickness 10.0 mm, Wavelength 400 nm | 91.5 % @Thickness 0.394 in, Wavelength 400 nm |
| 93.3 % @Thickness 10.0 mm, Wavelength 405 nm | 93.3 % @Thickness 0.394 in, Wavelength 405 nm |
|
Descriptive Properties |
---|
Acid resistance class | 1 |
Stress optical coefficient | 2.66 |
Water resistance class | 1 |
Yield point/sag temperature | 547°C |