| |
| Physical Properties | Metric | English | Comments |
|---|
| Density | 4.36 g/cc | 0.158 lb/in³ |
| |
| Chemical Properties | Metric | English | Comments |
|---|
| Acid Class, SR | 52.2 | 52.2 |
| Alkali Class, AR | 1.0 | 1.0 |
| Stain Resistance Class, FR | 2.0 | 2.0 |
| |
| Mechanical Properties | Metric | English | Comments |
|---|
| Knoop Microhardness | 730 | 730 |
| Modulus of Elasticity | 111 GPa | 16100 ksi |
| Poissons Ratio | 0.301 | 0.301 |
| Shear Modulus | 43.0 GPa | 6240 ksi |
| |
| Thermal Properties | Metric | English | Comments |
|---|
CTE, linear  | 5.60 µm/m-°C
@Temperature -30.0 - 70.0 °C | 3.11 µin/in-°F
@Temperature -22.0 - 158 °F |
| | 6.70 µm/m-°C
@Temperature 20.0 - 300 °C | 3.72 µin/in-°F
@Temperature 68.0 - 572 °F |
| Specific Heat Capacity | 0.570 J/g-°C | 0.136 BTU/lb-°F |
| Thermal Conductivity | 0.800 W/m-K | 5.55 BTU-in/hr-ft²-°F |
| Transformation Temperature, Tg | 600 °C | 1110 °F |
| Softening Point | 673 °C | 1240 °F |
| Annealing Point | 585 °C | 1090 °F |
| |
| Optical Properties | Metric | English | Comments |
|---|
| Refractive Index | 1.78582
@Wavelength 587.6 nm | 1.78582
@Wavelength 587.6 nm |
| | 1.79007
@Wavelength 546.1 nm | 1.79007
@Wavelength 546.1 nm |
| Abbe Number | 43.8 | 43.8 |
| | 44.05 | 44.05 |
| Optical Dispersion | 0.017839 | 0.017839 |
| | 0.018038 | 0.018038 |
| Transmission, Visible | 91 %
@Thickness 10.0 mm,
Wavelength 380 nm | 91 %
@Thickness 0.394 in,
Wavelength 380 nm |
| | 96.2 %
@Thickness 10.0 mm,
Wavelength 405 nm | 96.2 %
@Thickness 0.394 in,
Wavelength 405 nm |
| | 98.7 %
@Thickness 10.0 mm,
Wavelength 460 nm | 98.7 %
@Thickness 0.394 in,
Wavelength 460 nm |
| | 99.7 %
@Thickness 10.0 mm,
Wavelength 580 nm | 99.7 %
@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 | 46.8 %
@Thickness 10.0 mm,
Wavelength 2500 nm | 46.8 %
@Thickness 0.394 in,
Wavelength 2500 nm |
| | 98.8 %
@Thickness 10.0 mm,
Wavelength 1530 nm | 98.8 %
@Thickness 0.394 in,
Wavelength 1530 nm |
| UV Transmittance | 1.7 %
@Thickness 10.0 mm,
Wavelength 320 nm | 1.7 %
@Thickness 0.394 in,
Wavelength 320 nm |
| | 24.6 %
@Thickness 10.0 mm,
Wavelength 334 nm | 24.6 %
@Thickness 0.394 in,
Wavelength 334 nm |
| | 60.1 %
@Thickness 10.0 mm,
Wavelength 350 nm | 60.1 %
@Thickness 0.394 in,
Wavelength 350 nm |
| | 85.7 %
@Thickness 10.0 mm,
Wavelength 370 nm | 85.7 %
@Thickness 0.394 in,
Wavelength 370 nm |
| |
| Descriptive Properties |
|---|
| B | 0 |
| Climatic Resistance Test CR | 1 |
| HG | 1 |
| K (10-6mm2/N) | 2.21 |
| Phosphate Resistance PR | 3 |
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