| |
| Physical Properties | Original Value | Comments |
|---|
| Density | 3.17 g/cc |
| |
| Chemical Properties | Original Value | Comments |
|---|
| Acid Class, SR | 2.0 |
| Alkali Class, AR | 2.0 |
| Stain Resistance Class, FR | 0.00 |
| |
| Mechanical Properties | Original Value | Comments |
|---|
| Hardness, Knoop | 540 |
| Modulus of Elasticity | 77.0 GPa |
| Poissons Ratio | 0.234 |
| Shear Modulus | 31.2 GPa |
| |
| Thermal Properties | Original Value | Comments |
|---|
| CTE, linear | 7.80 µm/m-°C
@Temperature -30.0 - 70.0 °C |
| | 8.50 µm/m-°C
@Temperature 20.0 - 300 °C |
| Transformation Temperature, Tg | 549 °C |
| |
| Optical Properties | Original Value | Comments |
|---|
| Refractive Index | 1.558
@Wavelength 2325.4 nm |
| | 1.563
@Wavelength 1970.1 nm |
| | 1.569
@Wavelength 1529.6 nm |
| | 1.575
@Wavelength 1060 nm |
| | 1.576
@Wavelength 1014 nm |
| | 1.579
@Wavelength 852.1 nm |
| | 1.583
@Wavelength 706.5 nm |
| | 1.585
@Wavelength 656.3 nm |
| | 1.586
@Wavelength 613.8 nm |
| | 1.586
@Wavelength 632.8 nm |
| | 1.588
@Wavelength 589.3 nm |
| | 1.589
@Wavelength 587.6 nm |
| | 1.592
@Wavelength 546.1 nm |
| | 1.597
@Wavelength 486.1 nm |
| | 1.598
@Wavelength 480 nm |
| | 1.604
@Wavelength 435 nm |
| | 1.61
@Wavelength 404.7 nm |
| | 1.62
@Wavelength 365 nm |
| Abbe Number | 48.16 |
| | 48.45 |
| Optical Dispersion | 0.012158 |
| | 0.012291 |
| Transmission, Visible | 95.4 %
@Thickness 25.0 mm,
Wavelength 420 nm |
| | 96.3 %
@Thickness 25.0 mm,
Wavelength 436 nm |
| | 97.5 %
@Thickness 25.0 mm,
Wavelength 460 nm |
| | 98.1 %
@Thickness 10.0 mm,
Wavelength 420 nm |
| | 98.5 %
@Thickness 10.0 mm,
Wavelength 436 nm |
| | 98.6 %
@Thickness 25.0 mm,
Wavelength 500 nm |
| | 99 %
@Thickness 10.0 mm,
Wavelength 460 nm |
| | 99.1 %
@Thickness 25.0 mm,
Wavelength 546 nm |
| | 99.4 %
@Thickness 25.0 mm,
Wavelength 620 nm |
| | 99.4 %
@Thickness 10.0 mm,
Wavelength 500 nm |
| | 99.4 %
@Thickness 25.0 mm,
Wavelength 580 nm |
| | 99.5 %
@Thickness 25.0 mm,
Wavelength 660 nm |
| | 99.6 %
@Thickness 10.0 mm,
Wavelength 546 nm |
| | 99.7 %
@Thickness 25.0 mm,
Wavelength 700 nm |
| | 99.8 %
@Thickness 10.0 mm,
Wavelength 580 nm |
| | 99.8 %
@Thickness 10.0 mm,
Wavelength 660 nm |
| | 99.8 %
@Thickness 10.0 mm,
Wavelength 620 nm |
| | 99.9 %
@Thickness 10.0 mm,
Wavelength 700 nm |
| IR Transmittance | 78 %
@Thickness 25.0 mm,
Wavelength 2325 nm |
| | 94 %
@Thickness 25.0 mm,
Wavelength 1970 nm |
| | 97 %
@Thickness 10.0 mm,
Wavelength 2325 nm |
| | 97.6 %
@Thickness 10.0 mm,
Wavelength 1970 nm |
| | 99.5 %
@Thickness 25.0 mm,
Wavelength 1530 nm |
| | 99.5 %
@Thickness 25.0 mm,
Wavelength 1060 nm |
| | 99.8 %
@Thickness 10.0 mm,
Wavelength 1060 nm |
| | 99.8 %
@Thickness 10.0 mm,
Wavelength 1530 nm |
| UV Transmittance | 12 %
@Thickness 25.0 mm,
Wavelength 350 nm |
| | 43 %
@Thickness 10.0 mm,
Wavelength 350 nm |
| | 56 %
@Thickness 25.0 mm,
Wavelength 365 nm |
| | 67 %
@Thickness 25.0 mm,
Wavelength 370 nm |
| | 79 %
@Thickness 10.0 mm,
Wavelength 365 nm |
| | 81 %
@Thickness 25.0 mm,
Wavelength 380 nm |
| | 85 %
@Thickness 10.0 mm,
Wavelength 370 nm |
| | 89 %
@Thickness 25.0 mm,
Wavelength 390 nm |
| | 92 %
@Thickness 10.0 mm,
Wavelength 380 nm |
| | 93 %
@Thickness 25.0 mm,
Wavelength 400 nm |
| | 94 %
@Thickness 25.0 mm,
Wavelength 405 nm |
| | 95.4 %
@Thickness 10.0 mm,
Wavelength 390 nm |
| | 97.1 %
@Thickness 10.0 mm,
Wavelength 400 nm |
| | 97.6 %
@Thickness 10.0 mm,
Wavelength 405 nm |
| |
| Descriptive Properties |
|---|
| Climatic resistance | 2 |
| Phosphate resistance | 1 |
| Stress optical coefficient | 2.5 |
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