|
Physical Properties | Original Value | Comments |
---|
Density | 2.45 g/cc |
|
Chemical Properties | Original Value | Comments |
---|
Acid Class, SR | 4.0 |
Alkali Class, AR | 2.0 |
Stain Resistance Class, FR | 1.0 |
|
Mechanical Properties | Original Value | Comments |
---|
Hardness, Knoop | 520 |
Modulus of Elasticity | 62.0 GPa |
Poissons Ratio | 0.232 |
Shear Modulus | 25.2 GPa |
|
Thermal Properties | Original Value | Comments |
---|
CTE, linear | 9.20 µm/m-°C @Temperature -30.0 - 70.0 °C |
| 10.0 µm/m-°C @Temperature 20.0 - 300 °C |
Specific Heat Capacity | 0.808 J/g-°C |
Thermal Conductivity | 0.925 W/m-K |
Transformation Temperature, Tg | 466 °C |
Softening Point | 672 °C |
Annealing Point | 496 °C |
|
Optical Properties | Original Value | Comments |
---|
Refractive Index | 1.461 @Wavelength 2325.4 nm |
| 1.467 @Wavelength 1970.1 nm |
| 1.473 @Wavelength 1529.6 nm |
| 1.478 @Wavelength 1060 nm |
| 1.481 @Wavelength 852.1 nm |
| 1.484 @Wavelength 706.5 nm |
| 1.485 @Wavelength 643.8 nm |
| 1.485 @Wavelength 656.3 nm |
| 1.486 @Wavelength 632.8 nm |
| 1.487 @Wavelength 587.6 nm |
| 1.487 @Wavelength 589.3 nm |
| 1.489 @Wavelength 546.1 nm |
| 1.49 @Wavelength 1014 nm |
| 1.492 @Wavelength 480 nm |
| 1.492 @Wavelength 486.1 nm |
| 1.49591 @Wavelength 435.8 nm |
| 1.498 @Wavelength 404.7 nm |
| 1.503 @Wavelength 365 nm |
| 1.509 @Wavelength 334.1 nm |
| 1.514 @Wavelength 312.6 nm |
| 1.518 @Wavelength 296.7 nm |
| 1.524 @Wavelength 280.4 nm |
Abbe Number | 70.29 |
| 70.47 |
Optical Dispersion | 0.006918 |
| 0.006959 |
Transmission, Visible | 99.4 % @Thickness 25.0 mm, Wavelength 620 nm |
| 99.4 % @Thickness 25.0 mm, Wavelength 500 nm |
| 99.5 % @Thickness 25.0 mm, Wavelength 660 nm |
| 99.5 % @Thickness 25.0 mm, Wavelength 580 nm |
| 99.5 % @Thickness 25.0 mm, Wavelength 546 nm |
| 99.5 % @Thickness 25.0 mm, Wavelength 460 nm |
| 99.6 % @Thickness 25.0 mm, Wavelength 436 nm |
| 99.7 % @Thickness 25.0 mm, Wavelength 420 nm |
| 99.7 % @Thickness 25.0 mm, Wavelength 700 nm |
| 99.8 % @Thickness 10.0 mm, Wavelength 500 nm |
| 99.8 % @Thickness 10.0 mm, Wavelength 660 nm |
| 99.8 % @Thickness 10.0 mm, Wavelength 620 nm |
| 99.8 % @Thickness 10.0 mm, Wavelength 546 nm |
| 99.8 % @Thickness 10.0 mm, Wavelength 580 nm |
| 99.8 % @Thickness 10.0 mm, Wavelength 436 nm |
| 99.8 % @Thickness 10.0 mm, Wavelength 460 nm |
| 99.9 % @Thickness 10.0 mm, Wavelength 420 nm |
| 99.9 % @Thickness 10.0 mm, Wavelength 700 nm |
IR Transmittance | 38.5 % @Thickness 25.0 mm, Wavelength 2500 nm |
| 68.3 % @Thickness 10.0 mm, Wavelength 2500 nm |
| 92.8 % @Thickness 25.0 mm, Wavelength 2325 nm |
| 93 % @Thickness 10.0 mm, Wavelength 2325 nm |
| 93 % @Thickness 25.0 mm, Wavelength 1970 nm |
| 96.5 % @Thickness 25.0 mm, Wavelength 1530 nm |
| 97.1 % @Thickness 10.0 mm, Wavelength 1970 nm |
| 98.6 % @Thickness 10.0 mm, Wavelength 1530 nm |
| 99.8 % @Thickness 25.0 mm, Wavelength 1060 nm |
| 99.9 % @Thickness 10.0 mm, Wavelength 1060 nm |
UV Transmittance | 0.20 % @Thickness 25.0 mm, Wavelength 250 nm |
| 5.0 % @Thickness 25.0 mm, Wavelength 260 nm |
| 12 % @Thickness 10.0 mm, Wavelength 250 nm |
| 22 % @Thickness 25.0 mm, Wavelength 270 nm |
| 30.2 % @Thickness 10.0 mm, Wavelength 260 nm |
| 51 % @Thickness 25.0 mm, Wavelength 280 nm |
| 54.6 % @Thickness 10.0 mm, Wavelength 270 nm |
| 76 % @Thickness 25.0 mm, Wavelength 290 nm |
| 76.4 % @Thickness 10.0 mm, Wavelength 280 nm |
| 89.6 % @Thickness 10.0 mm, Wavelength 290 nm |
| 90 % @Thickness 25.0 mm, Wavelength 300 nm |
| 95.8 % @Thickness 25.0 mm, Wavelength 310 nm |
| 95.9 % @Thickness 10.0 mm, Wavelength 300 nm |
| 97.9 % @Thickness 25.0 mm, Wavelength 320 nm |
| 98.3 % @Thickness 10.0 mm, Wavelength 310 nm |
| 98.9 % @Thickness 25.0 mm, Wavelength 334 nm |
| 99.2 % @Thickness 10.0 mm, Wavelength 320 nm |
| 99.4 % @Thickness 25.0 mm, Wavelength 350 nm |
| 99.6 % @Thickness 10.0 mm, Wavelength 334 nm |
| 99.6 % @Thickness 25.0 mm, Wavelength 370 nm |
| 99.6 % @Thickness 25.0 mm, Wavelength 365 nm |
| 99.6 % @Thickness 25.0 mm, Wavelength 380 nm |
| 99.7 % @Thickness 25.0 mm, Wavelength 390 nm |
| 99.7 % @Thickness 25.0 mm, Wavelength 400 nm |
| 99.7 % @Thickness 25.0 mm, Wavelength 405 nm |
| 99.8 % @Thickness 10.0 mm, Wavelength 350 nm |
| 99.8 % @Thickness 10.0 mm, Wavelength 365 nm |
| 99.8 % @Thickness 10.0 mm, Wavelength 380 nm |
| 99.9 % @Thickness 10.0 mm, Wavelength 390 nm |
| 99.9 % @Thickness 10.0 mm, Wavelength 400 nm |
| 99.9 % @Thickness 10.0 mm, Wavelength 370 nm |
| 99.9 % @Thickness 10.0 mm, Wavelength 405 nm |
|
Descriptive Properties |
---|
Climatic resistance | 2 |
Phosphate resistance | 2.3 |
Stress optical coefficient | 2.91 |