| |
| Physical Properties | Metric | English | Comments |
|---|
| Density | 2.61 g/cc | 0.0943 lb/in³ |
| |
| Chemical Properties | Metric | English | Comments |
|---|
| Acid Class, SR | 1.0 | 1.0 |
| Alkali Class, AR | 2.0 | 2.0 |
| Stain Resistance Class, FR | 0.00 | 0.00 |
| |
| Mechanical Properties | Metric | English | Comments |
|---|
| Knoop Microhardness | 600 | 600 |
| Modulus of Elasticity | 81.0 GPa | 11700 ksi |
| Poissons Ratio | 0.214 | 0.214 |
| Shear Modulus | 33.0 GPa | 4790 ksi |
| |
| Thermal Properties | Metric | English | Comments |
|---|
CTE, linear  | 7.30 µm/m-°C
@Temperature -30.0 - 70.0 °C | 4.06 µin/in-°F
@Temperature -22.0 - 158 °F |
| | 8.40 µm/m-°C
@Temperature 20.0 - 300 °C | 4.67 µin/in-°F
@Temperature 68.0 - 572 °F |
| Specific Heat Capacity | 0.810 J/g-°C | 0.194 BTU/lb-°F |
| Thermal Conductivity | 1.05 W/m-K | 7.29 BTU-in/hr-ft²-°F |
| Transformation Temperature, Tg | 558 °C | 1040 °F |
| Softening Point | 711 °C | 1310 °F |
| Annealing Point | 559 °C | 1040 °F |
| |
| Optical Properties | Metric | English | Comments |
|---|
| Refractive Index | 1.54739
@Wavelength 587.6 nm | 1.54739
@Wavelength 587.6 nm |
| | 1.54982
@Wavelength 546.1 nm | 1.54982
@Wavelength 546.1 nm |
| Abbe Number | 53.36 | 53.36 |
| | 53.63 | 53.63 |
| Optical Dispersion | 0.010207 | 0.010207 |
| | 0.010303 | 0.010303 |
| Transmission, Visible | 93.7 %
@Thickness 10.0 mm,
Wavelength 380 nm | 93.7 %
@Thickness 0.394 in,
Wavelength 380 nm |
| | 98.6 %
@Thickness 10.0 mm,
Wavelength 405 nm | 98.6 %
@Thickness 0.394 in,
Wavelength 405 nm |
| | 99.5 %
@Thickness 10.0 mm,
Wavelength 460 nm | 99.5 %
@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 | 61.8 %
@Thickness 10.0 mm,
Wavelength 2500 nm | 61.8 %
@Thickness 0.394 in,
Wavelength 2500 nm |
| | 98.9 %
@Thickness 10.0 mm,
Wavelength 1530 nm | 98.9 %
@Thickness 0.394 in,
Wavelength 1530 nm |
| UV Transmittance | 0.60 %
@Thickness 10.0 mm,
Wavelength 334 nm | 0.60 %
@Thickness 0.394 in,
Wavelength 334 nm |
| | 43.9 %
@Thickness 10.0 mm,
Wavelength 350 nm | 43.9 %
@Thickness 0.394 in,
Wavelength 350 nm |
| | 81.5 %
@Thickness 10.0 mm,
Wavelength 365 nm | 81.5 %
@Thickness 0.394 in,
Wavelength 365 nm |
| | 87.2 %
@Thickness 10.0 mm,
Wavelength 370 nm | 87.2 %
@Thickness 0.394 in,
Wavelength 370 nm |
| |
| Descriptive Properties |
|---|
| B | 1 |
| Climatic Resistance Test CR | 1 |
| HG | 2 |
| K (10-6mm2/N) | 2.76 |
| Phosphate Resistance PR | 1 |
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