|
Physical Properties | Original Value | Comments |
---|
Density | 2.94 g/cc |
|
Chemical Properties | Original Value | Comments |
---|
Acid Class, SR | 1.0 |
Alkali Class, AR | 2.0 |
Stain Resistance Class, FR | 0.00 |
|
Mechanical Properties | Original Value | Comments |
---|
Hardness, Knoop | 450 |
Modulus of Elasticity | 60.0 GPa |
Poissons Ratio | 0.208 |
Shear Modulus | 24.8 GPa |
|
Thermal Properties | Original Value | Comments |
---|
CTE, linear | 8.10 µm/m-°C @Temperature -30.0 - 70.0 °C |
| 9.20 µm/m-°C @Temperature 20.0 - 300 °C |
Specific Heat Capacity | 0.650 J/g-°C |
Thermal Conductivity | 0.990 W/m-K |
Transformation Temperature, Tg | 431 °C |
Softening Point | 628 °C |
Annealing Point | 426 °C |
|
Optical Properties | Original Value | Comments |
---|
Refractive Index | 1.518 @Wavelength 2323.4 nm |
| 1.523 @Wavelength 1970.1 nm |
| 1.528 @Wavelength 1529.6 nm |
| 1.534 @Wavelength 1060 nm |
| 1.535 @Wavelength 1014 nm |
| 1.538 @Wavelength 852.1 nm |
| 1.542 @Wavelength 706.5 nm |
| 1.544 @Wavelength 656.3 nm |
| 1.545 @Wavelength 643.8 nm |
| 1.546 @Wavelength 632.8 nm |
| 1.548 @Wavelength 587.6 nm |
| 1.548 @Wavelength 589.3 nm |
| 1.55 @Wavelength 546.1 nm |
| 1.556 @Wavelength 486.1 nm |
| 1.557 @Wavelength 480 nm |
| 1.563 @Wavelength 435.8 nm |
| 1.579 @Wavelength 365 nm |
| 1.596 @Wavelength 404.7 nm |
Abbe Number | 45.62 |
| 45.9 |
Optical Dispersion | 0.011942 |
| 0.012078 |
Transmission, Visible | 99.7 % @Thickness 25.0 mm, Wavelength 420 nm |
| 99.7 % @Thickness 25.0 mm, Wavelength 436 nm |
| 99.8 % @Thickness 25.0 mm, Wavelength 460 nm |
| 99.8 % @Thickness 25.0 mm, Wavelength 660 nm |
| 99.8 % @Thickness 25.0 mm, Wavelength 620 nm |
| 99.8 % @Thickness 25.0 mm, Wavelength 500 nm |
| 99.8 % @Thickness 25.0 mm, Wavelength 580 nm |
| 99.8 % @Thickness 25.0 mm, Wavelength 546 nm |
| 99.9 % @Thickness 10.0 mm, Wavelength 546 nm |
| 99.9 % @Thickness 10.0 mm, Wavelength 580 nm |
| 99.9 % @Thickness 10.0 mm, Wavelength 500 nm |
| 99.9 % @Thickness 10.0 mm, Wavelength 620 nm |
| 99.9 % @Thickness 10.0 mm, Wavelength 660 nm |
| 99.9 % @Thickness 10.0 mm, Wavelength 700 nm |
| 99.9 % @Thickness 25.0 mm, Wavelength 700 nm |
| 99.9 % @Thickness 10.0 mm, Wavelength 460 nm |
| 99.9 % @Thickness 10.0 mm, Wavelength 436 nm |
| 99.9 % @Thickness 10.0 mm, Wavelength 420 nm |
IR Transmittance | 47.7 % @Thickness 25.0 mm, Wavelength 2500 nm |
| 57.9 % @Thickness 25.0 mm, Wavelength 2325 nm |
| 74.4 % @Thickness 10.0 mm, Wavelength 2500 nm |
| 80.4 % @Thickness 10.0 mm, Wavelength 2325 nm |
| 83.3 % @Thickness 25.0 mm, Wavelength 1970 nm |
| 93 % @Thickness 10.0 mm, Wavelength 1970 nm |
| 99 % @Thickness 25.0 mm, Wavelength 1530 nm |
| 99.6 % @Thickness 10.0 mm, Wavelength 1530 nm |
| 99.9 % @Thickness 10.0 mm, Wavelength 1060 nm |
| 99.9 % @Thickness 25.0 mm, Wavelength 1060 nm |
UV Transmittance | 2.6 % @Thickness 25.0 mm, Wavelength 310 nm |
| 23.1 % @Thickness 10.0 mm, Wavelength 310 nm |
| 44.1 % @Thickness 25.0 mm, Wavelength 320 nm |
| 72.1 % @Thickness 10.0 mm, Wavelength 320 nm |
| 89.2 % @Thickness 25.0 mm, Wavelength 334 nm |
| 95.3 % @Thickness 25.0 mm, Wavelength 365 nm |
| 95.5 % @Thickness 10.0 mm, Wavelength 334 nm |
| 98.2 % @Thickness 25.0 mm, Wavelength 350 nm |
| 99.3 % @Thickness 10.0 mm, Wavelength 350 nm |
| 99.4 % @Thickness 25.0 mm, Wavelength 370 nm |
| 99.5 % @Thickness 25.0 mm, Wavelength 380 nm |
| 99.6 % @Thickness 25.0 mm, Wavelength 390 nm |
| 99.7 % @Thickness 25.0 mm, Wavelength 400 nm |
| 99.7 % @Thickness 10.0 mm, Wavelength 365 nm |
| 99.7 % @Thickness 25.0 mm, Wavelength 405 nm |
| 99.8 % @Thickness 10.0 mm, Wavelength 370 nm |
| 99.8 % @Thickness 10.0 mm, Wavelength 390 nm |
| 99.8 % @Thickness 10.0 mm, Wavelength 380 nm |
| 99.9 % @Thickness 10.0 mm, Wavelength 400 nm |
| 99.9 % @Thickness 10.0 mm, Wavelength 405 nm |
|
Descriptive Properties |
---|
Climatic resistance | 1 |
Phosphate resistance | 1 |
Stress optical coefficient | 3.05 |