|
Physical Properties | Original Value | Comments |
---|
Density | 3.60 g/cc |
|
Chemical Properties | Original Value | Comments |
---|
Acid Class, SR | 1.0 |
Alkali Class, AR | 1.3 |
Stain Resistance Class, FR | 0.00 |
|
Mechanical Properties | Original Value | Comments |
---|
Hardness, Knoop | 428 |
Modulus of Elasticity | 58.0 GPa |
Poissons Ratio | 0.22 |
Shear Modulus | 23.8 GPa |
|
Thermal Properties | Original Value | Comments |
---|
CTE, linear | 8.10 µm/m-°C @Temperature -30.0 - 70.0 °C |
| 9.00 µm/m-°C @Temperature 20.0 - 300 °C |
Specific Heat Capacity | 0.530 J/g-°C |
Thermal Conductivity | 0.820 W/m-K |
Transformation Temperature, Tg | 435 °C |
Softening Point | 604 °C |
Annealing Point | 438 °C |
|
Optical Properties | Original Value | Comments |
---|
Refractive Index | 1.585 @Wavelength 2325.4 nm |
| 1.59 @Wavelength 1970.1 nm |
| 1.595 @Wavelength 1529.6 nm |
| 1.602 @Wavelength 1060 nm |
| 1.603 @Wavelength 1014 nm |
| 1.607 @Wavelength 852.1 nm |
| 1.612 @Wavelength 706.5 nm |
| 1.615 @Wavelength 656.3 nm |
| 1.616 @Wavelength 643.8 nm |
| 1.617 @Wavelength 632.8 nm |
| 1.62 @Wavelength 589.3 nm |
| 1.621 @Wavelength 587.6 nm |
| 1.624 @Wavelength 546.1 nm |
| 1.632 @Wavelength 486.1 nm |
| 1.633 @Wavelength 480 nm |
| 1.642 @Wavelength 435 nm |
| 1.651 @Wavelength 404.7 nm |
Abbe Number | 36.3 |
| 36.56 |
Optical Dispersion | 0.016979 |
| 0.017212 |
Transmission, Visible | 40 % @Thickness 25.0 mm, Wavelength 420 nm |
| 65 % @Thickness 25.0 mm, Wavelength 436 nm |
| 69.3 % @Thickness 10.0 mm, Wavelength 420 nm |
| 84.2 % @Thickness 10.0 mm, Wavelength 436 nm |
| 85 % @Thickness 25.0 mm, Wavelength 460 nm |
| 93.7 % @Thickness 10.0 mm, Wavelength 460 nm |
| 93.7 % @Thickness 25.0 mm, Wavelength 500 nm |
| 96.3 % @Thickness 25.0 mm, Wavelength 546 nm |
| 97.2 % @Thickness 25.0 mm, Wavelength 580 nm |
| 97.4 % @Thickness 10.0 mm, Wavelength 500 nm |
| 97.9 % @Thickness 25.0 mm, Wavelength 620 nm |
| 98.4 % @Thickness 25.0 mm, Wavelength 660 nm |
| 98.5 % @Thickness 10.0 mm, Wavelength 546 nm |
| 98.8 % @Thickness 25.0 mm, Wavelength 700 nm |
| 98.9 % @Thickness 10.0 mm, Wavelength 580 nm |
| 99.2 % @Thickness 10.0 mm, Wavelength 620 nm |
| 99.4 % @Thickness 10.0 mm, Wavelength 660 nm |
| 99.5 % @Thickness 10.0 mm, Wavelength 700 nm |
IR Transmittance | 75 % @Thickness 25.0 mm, Wavelength 2500 nm |
| 92 % @Thickness 25.0 mm, Wavelength 2325 nm |
| 92.4 % @Thickness 10.0 mm, Wavelength 2325 nm |
| 93 % @Thickness 25.0 mm, Wavelength 1970 nm |
| 97.1 % @Thickness 10.0 mm, Wavelength 1970 nm |
| 98.1 % @Thickness 10.0 mm, Wavelength 2500 nm |
| 98.9 % @Thickness 25.0 mm, Wavelength 1530 nm |
| 99.6 % @Thickness 10.0 mm, Wavelength 1530 nm |
| 99.7 % @Thickness 25.0 mm, Wavelength 1060 nm |
| 99.9 % @Thickness 10.0 mm, Wavelength 1060 nm |
UV Transmittance | 1.9 % @Thickness 10.0 mm, Wavelength 380 nm |
| 6.0 % @Thickness 25.0 mm, Wavelength 400 nm |
| 12 % @Thickness 25.0 mm, Wavelength 405 nm |
| 12.4 % @Thickness 10.0 mm, Wavelength 390 nm |
| 32.5 % @Thickness 10.0 mm, Wavelength 400 nm |
| 42.8 % @Thickness 10.0 mm, Wavelength 405 nm |
|
Descriptive Properties |
---|
Climatic resistance | 1 |
Phosphate resistance | 2.3 |
Stress optical coefficient | 2.79 |
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