| |
| Physical Properties | Metric | English | Comments |
|---|
| Density | 2.51 g/cc | 0.0907 lb/in³ |
| |
| Chemical Properties | Metric | English | Comments |
|---|
| Acid Class, SR | 1.0 | 1.0 |
| Alkali Class, AR | 2.3 | 2.3 |
| Stain Resistance Class, FR | 0.00 | 0.00 |
| |
| Mechanical Properties | Metric | English | Comments |
|---|
| Knoop Microhardness | 610 | 610 |
| Modulus of Elasticity | 82.0 GPa | 11900 ksi |
| Poissons Ratio | 0.206 | 0.206 |
| Shear Modulus | 34.0 GPa | 4930 ksi |
| |
| Thermal Properties | Metric | English | Comments |
|---|
CTE, linear  | 7.10 µm/m-°C
@Temperature -30.0 - 70.0 °C | 3.94 µin/in-°F
@Temperature -22.0 - 158 °F |
| | 8.30 µm/m-°C
@Temperature 20.0 - 300 °C | 4.61 µin/in-°F
@Temperature 68.0 - 572 °F |
| Specific Heat Capacity | 0.858 J/g-°C | 0.205 BTU/lb-°F |
| Thermal Conductivity | 1.114 W/m-K | 7.731 BTU-in/hr-ft²-°F |
| Transformation Temperature, Tg | 557 °C | 1030 °F |
| Softening Point | 719 °C | 1330 °F |
| Annealing Point | 557 °C | 1030 °F |
| |
| Optical Properties | Metric | English | Comments |
|---|
| Refractive Index | 1.5168
@Wavelength 587.6 nm | 1.5168
@Wavelength 587.6 nm |
| | 1.51872
@Wavelength 546.1 nm | 1.51872
@Wavelength 546.1 nm |
| Abbe Number | 63.96 | 63.96 |
| | 64.17 | 64.17 |
| Optical Dispersion | 0.008054 | 0.008054 |
| | 0.00811 | 0.00811 |
| Transmission, Visible | 99.3 %
@Thickness 10.0 mm,
Wavelength 380 nm | 99.3 %
@Thickness 0.394 in,
Wavelength 380 nm |
| | 99.7 %
@Thickness 10.0 mm,
Wavelength 405 nm | 99.7 %
@Thickness 0.394 in,
Wavelength 405 nm |
| | 99.7 %
@Thickness 10.0 mm,
Wavelength 460 nm | 99.7 %
@Thickness 0.394 in,
Wavelength 460 nm |
| | 99.8 %
@Thickness 10.0 mm,
Wavelength 580 nm | 99.8 %
@Thickness 0.394 in,
Wavelength 580 nm |
| | 99.8 %
@Thickness 10.0 mm,
Wavelength 700 nm | 99.8 %
@Thickness 0.394 in,
Wavelength 700 nm |
| IR Transmittance | 66.5 %
@Thickness 10.0 mm,
Wavelength 2500 nm | 66.5 %
@Thickness 0.394 in,
Wavelength 2500 nm |
| | 99.2 %
@Thickness 10.0 mm,
Wavelength 1530 nm | 99.2 %
@Thickness 0.394 in,
Wavelength 1530 nm |
| UV Transmittance | 6.3 %
@Thickness 10.0 mm,
Wavelength 290 nm | 6.3 %
@Thickness 0.394 in,
Wavelength 290 nm |
| | 29.2 %
@Thickness 10.0 mm,
Wavelength 300 nm | 29.2 %
@Thickness 0.394 in,
Wavelength 300 nm |
| | 90.5 %
@Thickness 10.0 mm,
Wavelength 334 nm | 90.5 %
@Thickness 0.394 in,
Wavelength 334 nm |
| | 99.1 %
@Thickness 10.0 mm,
Wavelength 370 nm | 99.1 %
@Thickness 0.394 in,
Wavelength 370 nm |
| |
| Descriptive Properties |
|---|
| B | 0 |
| Climatic Resistance Test CR | 1 |
| HG | 3 |
| K (10-6mm2/N) | 2.77 |
| Phosphate Resistance PR | 2.3 |
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