| |
| Physical Properties | Metric | English | Comments |
|---|
| Specific Gravity | 3.37 g/cc | 3.37 g/cc |
| |
| Chemical Properties | Metric | English | Comments |
|---|
| Acid Class, SR | 1.0 | 1.0 |
| |
| Mechanical Properties | Metric | English | Comments |
|---|
| Hardness, Knoop | 410
@Load 0.0999 kg | 410
@Load 0.220 lb |
| Modulus of Elasticity | 59.8 GPa | 8670 ksi |
| Modulus of Rigidity | 24.4 GPa | 3540 ksi |
| Poissons Ratio | 0.223 | 0.223 |
| Abrasion | 132 | 132 |
| |
| Thermal Properties | Metric | English | Comments |
|---|
CTE, linear  | 8.80 µm/m-°C
@Temperature -30.0 - 70.0 °C | 4.89 µin/in-°F
@Temperature -22.0 - 158 °F |
| | 10.0 µm/m-°C
@Temperature 100 - 300 °C | 5.56 µin/in-°F
@Temperature 212 - 572 °F |
| Thermal Conductivity | 0.865 W/m-K
@Temperature 35.0 °C | 6.00 BTU-in/hr-ft²-°F
@Temperature 95.0 °F |
| Transformation Temperature, Tg | 441 °C | 826 °F |
| Softening Point | 565 °C | 1050 °F |
| Annealing Point | 419 °C | 786 °F |
| Strain Point | 377 °C | 711 °F |
| |
| Optical Properties | Metric | English | Comments |
|---|
| Refractive Index | 1.56207
@Wavelength 2325.42 nm | 1.56207
@Wavelength 2325.42 nm |
| | 1.56696
@Wavelength 1970.09 nm | 1.56696
@Wavelength 1970.09 nm |
| | 1.57243
@Wavelength 1529.58 nm | 1.57243
@Wavelength 1529.58 nm |
| | 1.57779
@Wavelength 1128.64 nm | 1.57779
@Wavelength 1128.64 nm |
| | 1.57975
@Wavelength 1013.98 nm | 1.57975
@Wavelength 1013.98 nm |
| | 1.58338
@Wavelength 852.11 nm | 1.58338
@Wavelength 852.11 nm |
| | 1.58599
@Wavelength 768.19 nm | 1.58599
@Wavelength 768.19 nm |
| | 1.58846
@Wavelength 706.52 nm | 1.58846
@Wavelength 706.52 nm |
| | 1.59097
@Wavelength 656.27 nm | 1.59097
@Wavelength 656.27 nm |
| | 1.59169
@Wavelength 643.85 nm | 1.59169
@Wavelength 643.85 nm |
| | 1.59236
@Wavelength 632.8 nm | 1.59236
@Wavelength 632.8 nm |
| | 1.59537
@Wavelength 589.29 nm | 1.59537
@Wavelength 589.29 nm |
| | 1.59551
@Wavelength 587.56 nm | 1.59551
@Wavelength 587.56 nm |
| | 1.59915
@Wavelength 546.07 nm | 1.59915
@Wavelength 546.07 nm |
| | 1.60634
@Wavelength 486.13 nm | 1.60634
@Wavelength 486.13 nm |
| | 1.60725
@Wavelength 479.99 nm | 1.60725
@Wavelength 479.99 nm |
| | 1.61400
@Wavelength 441.57 nm | 1.61400
@Wavelength 441.57 nm |
| | 1.61520
@Wavelength 435.835 nm | 1.61520
@Wavelength 435.835 nm |
| | 1.62284
@Wavelength 404.656 nm | 1.62284
@Wavelength 404.656 nm |
| | 1.63656
@Wavelength 365.015 nm | 1.63656
@Wavelength 365.015 nm |
| | 1.65255
@Wavelength 334 nm | 1.65255
@Wavelength 334 nm |
| | 1.65795
@Wavelength 326 nm | 1.65795
@Wavelength 326 nm |
| Abbe Number | 38.5 | 38.5 |
| | 38.77 | 38.77 |
| Optical Dispersion | 0.015361 | 0.015361 |
| | 0.015561 | 0.015561 |
| Transmission, Visible | 99.7 %
@Wavelength 380 nm | 99.7 %
@Wavelength 380 nm |
| | 99.8 %
@Wavelength 390 nm | 99.8 %
@Wavelength 390 nm |
| | 99.8 %
@Wavelength 400 nm | 99.8 %
@Wavelength 400 nm |
| | 99.8 %
@Wavelength 420 nm | 99.8 %
@Wavelength 420 nm |
| | 99.9 %
@Wavelength 440 nm | 99.9 %
@Wavelength 440 nm |
| | 99.9 %
@Wavelength 460 nm | 99.9 %
@Wavelength 460 nm |
| | 99.9 %
@Wavelength 480 nm | 99.9 %
@Wavelength 480 nm |
| | 99.9 %
@Wavelength 500 nm | 99.9 %
@Wavelength 500 nm |
| | 99.9 %
@Wavelength 550 nm | 99.9 %
@Wavelength 550 nm |
| | 99.9 %
@Wavelength 600 nm | 99.9 %
@Wavelength 600 nm |
| | 99.9 %
@Wavelength 650 nm | 99.9 %
@Wavelength 650 nm |
| | 99.9 %
@Wavelength 700 nm | 99.9 %
@Wavelength 700 nm |
| IR Transmittance | 87 %
@Wavelength 2400 nm | 87 %
@Wavelength 2400 nm |
| | 90.7 %
@Wavelength 2200 nm | 90.7 %
@Wavelength 2200 nm |
| | 97.9 %
@Wavelength 1800 nm | 97.9 %
@Wavelength 1800 nm |
| | 99.4 %
@Wavelength 1600 nm | 99.4 %
@Wavelength 1600 nm |
| | 99.6 %
@Wavelength 1400 nm | 99.6 %
@Wavelength 1400 nm |
| | 99.8 %
@Wavelength 1000 nm | 99.8 %
@Wavelength 1000 nm |
| | 99.8 %
@Wavelength 1200 nm | 99.8 %
@Wavelength 1200 nm |
| | 99.9 %
@Wavelength 800 nm | 99.9 %
@Wavelength 800 nm |
| | 99.9 %
@Wavelength 900 nm | 99.9 %
@Wavelength 900 nm |
| UV Transmittance | 22 %
@Wavelength 320 nm | 22 %
@Wavelength 320 nm |
| | 68 %
@Wavelength 330 nm | 68 %
@Wavelength 330 nm |
| | 91.2 %
@Wavelength 340 nm | 91.2 %
@Wavelength 340 nm |
| | 97.5 %
@Wavelength 350 nm | 97.5 %
@Wavelength 350 nm |
| | 99 %
@Wavelength 360 nm | 99 %
@Wavelength 360 nm |
| | 99.3 %
@Wavelength 365 nm | 99.3 %
@Wavelength 365 nm |
| | 99.5 %
@Wavelength 370 nm | 99.5 %
@Wavelength 370 nm |
| |
| Descriptive Properties |
|---|
| Acid Resistance, Powder Method, RAP) | 1 |
| coloring, λ 5 | 315 |
| coloring, λ 80 | 340 |
| Knoop Hardness Class | 4 |
| Melt Frequency | 2 |
| Ohara Code d | 596387 |
| Ohara Code e | 599385 |
| Ohara Status | Preferred |
| Phosphate Resistance, PR | 2 |
| Photoelastic Constant (ß) | 2.79 |
| Relative Price | 10.0 |
| Water Resistance, RW(P) | 1 |
| Weathering Resistance (Surface Method) W(S)max | 2 |
| Weathering Resistance (Surface Method) W(S)min | 3 |
| Yield Point, At (°C) | 478 |
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