|
Physical Properties | Original Value | Comments |
---|
Density | 2.97 g/cc |
|
Mechanical Properties | Original Value | Comments |
---|
Hardness, Knoop | 662 |
Modulus of Elasticity | 97.0 GPa |
Poissons Ratio | 0.245 |
Shear Modulus | 39.0 GPa |
|
Thermal Properties | Original Value | Comments |
---|
CTE, linear | 6.80 µm/m-°C @Temperature -30.0 - 70.0 °C |
| 8.40 µm/m-°C @Temperature 20.0 - 300 °C |
Specific Heat Capacity | 0.770 J/g-°C |
Thermal Conductivity | 1.02 W/m-K |
Transformation Temperature, Tg | 510 °C |
Softening Point | 608 °C |
Annealing Point | 510 °C |
|
Optical Properties | Original Value | Comments |
---|
Refractive Index | 1.558 @Wavelength 2323.4 nm |
| 1.564 @Wavelength 1970.1 nm |
| 1.57 @Wavelength 1529.6 nm |
| 1.577 @Wavelength 1014 nm |
| 1.577 @Wavelength 1060 nm |
| 1.58 @Wavelength 852.1 nm |
| 1.584 @Wavelength 706.5 nm |
| 1.586 @Wavelength 643.8 nm |
| 1.586 @Wavelength 656.3 nm |
| 1.587 @Wavelength 632.8 nm |
| 1.589 @Wavelength 587.6 nm |
| 1.589 @Wavelength 589.3 nm |
| 1.591 @Wavelength 546.1 nm |
| 1.595 @Wavelength 486.1 nm |
| 1.596 @Wavelength 480 nm |
| 1.601 @Wavelength 435.8 nm |
| 1.605 @Wavelength 404.7 nm |
| 1.612 @Wavelength 365 nm |
| 1.62 @Wavelength 334.1 nm |
Abbe Number | 60.93 |
| 61.15 |
Optical Dispersion | 0.009634 |
| 0.009707 |
Transmission, Visible | 98.6 % @Thickness 25.0 mm, Wavelength 420 nm |
| 98.7 % @Thickness 25.0 mm, Wavelength 436 nm |
| 98.8 % @Thickness 25.0 mm, Wavelength 660 nm |
| 98.8 % @Thickness 25.0 mm, Wavelength 700 nm |
| 98.9 % @Thickness 25.0 mm, Wavelength 460 nm |
| 98.9 % @Thickness 25.0 mm, Wavelength 620 nm |
| 99.2 % @Thickness 25.0 mm, Wavelength 580 nm |
| 99.3 % @Thickness 25.0 mm, Wavelength 500 nm |
| 99.4 % @Thickness 25.0 mm, Wavelength 546 nm |
| 99.4 % @Thickness 10.0 mm, Wavelength 420 nm |
| 99.5 % @Thickness 10.0 mm, Wavelength 436 nm |
| 99.5 % @Thickness 10.0 mm, Wavelength 700 nm |
| 99.5 % @Thickness 10.0 mm, Wavelength 660 nm |
| 99.6 % @Thickness 10.0 mm, Wavelength 620 nm |
| 99.6 % @Thickness 10.0 mm, Wavelength 460 nm |
| 99.7 % @Thickness 10.0 mm, Wavelength 500 nm |
| 99.7 % @Thickness 10.0 mm, Wavelength 580 nm |
| 99.8 % @Thickness 10.0 mm, Wavelength 546 nm |
IR Transmittance | 22 % @Thickness 25.0 mm, Wavelength 2500 nm |
| 48 % @Thickness 25.0 mm, Wavelength 2325 nm |
| 54.6 % @Thickness 10.0 mm, Wavelength 2500 nm |
| 74.6 % @Thickness 10.0 mm, Wavelength 2325 nm |
| 82 % @Thickness 25.0 mm, Wavelength 1970 nm |
| 92.4 % @Thickness 10.0 mm, Wavelength 1970 nm |
| 96.1 % @Thickness 25.0 mm, Wavelength 1530 nm |
| 98.4 % @Thickness 10.0 mm, Wavelength 1530 nm |
| 99.1 % @Thickness 25.0 mm, Wavelength 1060 nm |
| 99.6 % @Thickness 10.0 mm, Wavelength 1060 nm |
UV Transmittance | 0.20 % @Thickness 10.0 mm, Wavelength 300 nm |
| 6.7 % @Thickness 10.0 mm, Wavelength 310 nm |
| 8.0 % @Thickness 25.0 mm, Wavelength 320 nm |
| 49 % @Thickness 25.0 mm, Wavelength 334 nm |
| 63.4 % @Thickness 10.0 mm, Wavelength 320 nm |
| 75.2 % @Thickness 10.0 mm, Wavelength 334 nm |
| 82 % @Thickness 25.0 mm, Wavelength 350 nm |
| 92.4 % @Thickness 10.0 mm, Wavelength 350 nm |
| 93 % @Thickness 25.0 mm, Wavelength 365 nm |
| 95 % @Thickness 25.0 mm, Wavelength 370 nm |
| 96.5 % @Thickness 25.0 mm, Wavelength 380 nm |
| 97.1 % @Thickness 10.0 mm, Wavelength 365 nm |
| 97.7 % @Thickness 25.0 mm, Wavelength 390 nm |
| 98 % @Thickness 10.0 mm, Wavelength 370 nm |
| 98.4 % @Thickness 25.0 mm, Wavelength 400 nm |
| 98.5 % @Thickness 25.0 mm, Wavelength 405 nm |
| 98.6 % @Thickness 10.0 mm, Wavelength 380 nm |
| 99.1 % @Thickness 10.0 mm, Wavelength 390 nm |
| 99.4 % @Thickness 10.0 mm, Wavelength 400 nm |
| 99.4 % @Thickness 10.0 mm, Wavelength 405 nm |
|
Descriptive Properties |
---|
Acid resistance class | 4 |
Grindability | 102 |
Stress optical coefficient | 2.12 |
Water resistance class | 2 |
Yield point/sag temperature | 551°C |