| |
| Physical Properties | Metric | English | Comments |
|---|
| Specific Gravity | 2.90 g/cc | 2.90 g/cc |
| |
| Chemical Properties | Metric | English | Comments |
|---|
| Acid Class, SR | 1.2 | 1.2 |
| |
| Mechanical Properties | Metric | English | Comments |
|---|
| Hardness, Knoop | 560
@Load 0.0999 kg | 560
@Load 0.220 lb |
| Modulus of Elasticity | 78.3 GPa | 11400 ksi |
| Modulus of Rigidity | 31.7 GPa | 4600 ksi |
| Poissons Ratio | 0.236 | 0.236 |
| Abrasion | 113 | 113 |
| |
| Thermal Properties | Metric | English | Comments |
|---|
CTE, linear  | 7.60 µm/m-°C
@Temperature -30.0 - 70.0 °C | 4.22 µin/in-°F
@Temperature -22.0 - 158 °F |
| | 9.00 µm/m-°C
@Temperature 100 - 300 °C | 5.00 µin/in-°F
@Temperature 212 - 572 °F |
| Thermal Conductivity | 1.00 W/m-K
@Temperature 35.0 °C | 6.94 BTU-in/hr-ft²-°F
@Temperature 95.0 °F |
| Transformation Temperature, Tg | 507 °C | 945 °F |
| Softening Point | 642 °C | 1190 °F |
| |
| Optical Properties | Metric | English | Comments |
|---|
| Refractive Index | 1.52907
@Wavelength 2325.42 nm | 1.52907
@Wavelength 2325.42 nm |
| | 1.53423
@Wavelength 1970.09 nm | 1.53423
@Wavelength 1970.09 nm |
| | 1.53972
@Wavelength 1529.58 nm | 1.53972
@Wavelength 1529.58 nm |
| | 1.54449
@Wavelength 1128.64 nm | 1.54449
@Wavelength 1128.64 nm |
| | 1.54604
@Wavelength 1013.98 nm | 1.54604
@Wavelength 1013.98 nm |
| | 1.54872
@Wavelength 852.11 nm | 1.54872
@Wavelength 852.11 nm |
| | 1.55053
@Wavelength 768.19 nm | 1.55053
@Wavelength 768.19 nm |
| | 1.55218
@Wavelength 706.52 nm | 1.55218
@Wavelength 706.52 nm |
| | 1.55383
@Wavelength 656.27 nm | 1.55383
@Wavelength 656.27 nm |
| | 1.55429
@Wavelength 643.85 nm | 1.55429
@Wavelength 643.85 nm |
| | 1.55471
@Wavelength 632.8 nm | 1.55471
@Wavelength 632.8 nm |
| | 1.55663
@Wavelength 589.29 nm | 1.55663
@Wavelength 589.29 nm |
| | 1.55671
@Wavelength 587.56 nm | 1.55671
@Wavelength 587.56 nm |
| | 1.55897
@Wavelength 546.07 nm | 1.55897
@Wavelength 546.07 nm |
| | 1.56331
@Wavelength 486.13 nm | 1.56331
@Wavelength 486.13 nm |
| | 1.56385
@Wavelength 479.99 nm | 1.56385
@Wavelength 479.99 nm |
| | 1.56779
@Wavelength 441.57 nm | 1.56779
@Wavelength 441.57 nm |
| | 1.56848
@Wavelength 435.835 nm | 1.56848
@Wavelength 435.835 nm |
| | 1.57277
@Wavelength 404.656 nm | 1.57277
@Wavelength 404.656 nm |
| | 1.58012
@Wavelength 365.015 nm | 1.58012
@Wavelength 365.015 nm |
| | 1.58807
@Wavelength 334 nm | 1.58807
@Wavelength 334 nm |
| | 1.59060
@Wavelength 326 nm | 1.59060
@Wavelength 326 nm |
| Abbe Number | 58.41 | 58.41 |
| | 58.68 | 58.68 |
| Optical Dispersion | 0.009488 | 0.009488 |
| | 0.009569 | 0.009569 |
| Transmission, Visible | 99.6 %
@Wavelength 380 nm | 99.6 %
@Wavelength 380 nm |
| | 99.7 %
@Wavelength 390 nm | 99.7 %
@Wavelength 390 nm |
| | 99.8 %
@Wavelength 400 nm | 99.8 %
@Wavelength 400 nm |
| | 99.8 %
@Wavelength 420 nm | 99.8 %
@Wavelength 420 nm |
| | 99.8 %
@Wavelength 440 nm | 99.8 %
@Wavelength 440 nm |
| | 99.8 %
@Wavelength 460 nm | 99.8 %
@Wavelength 460 nm |
| | 99.8 %
@Wavelength 480 nm | 99.8 %
@Wavelength 480 nm |
| | 99.8 %
@Wavelength 650 nm | 99.8 %
@Wavelength 650 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 700 nm | 99.9 %
@Wavelength 700 nm |
| IR Transmittance | 89 %
@Wavelength 2400 nm | 89 %
@Wavelength 2400 nm |
| | 92.7 %
@Wavelength 2200 nm | 92.7 %
@Wavelength 2200 nm |
| | 98.4 %
@Wavelength 1800 nm | 98.4 %
@Wavelength 1800 nm |
| | 98.9 %
@Wavelength 1400 nm | 98.9 %
@Wavelength 1400 nm |
| | 99.2 %
@Wavelength 1600 nm | 99.2 %
@Wavelength 1600 nm |
| | 99.5 %
@Wavelength 1200 nm | 99.5 %
@Wavelength 1200 nm |
| | 99.6 %
@Wavelength 1000 nm | 99.6 %
@Wavelength 1000 nm |
| | 99.8 %
@Wavelength 900 nm | 99.8 %
@Wavelength 900 nm |
| | 99.9 %
@Wavelength 800 nm | 99.9 %
@Wavelength 800 nm |
| UV Transmittance | 17 %
@Wavelength 300 nm | 17 %
@Wavelength 300 nm |
| | 59 %
@Wavelength 310 nm | 59 %
@Wavelength 310 nm |
| | 84 %
@Wavelength 320 nm | 84 %
@Wavelength 320 nm |
| | 93.7 %
@Wavelength 330 nm | 93.7 %
@Wavelength 330 nm |
| | 97.1 %
@Wavelength 340 nm | 97.1 %
@Wavelength 340 nm |
| | 98.5 %
@Wavelength 350 nm | 98.5 %
@Wavelength 350 nm |
| | 99.2 %
@Wavelength 360 nm | 99.2 %
@Wavelength 360 nm |
| | 99.4 %
@Wavelength 365 nm | 99.4 %
@Wavelength 365 nm |
| | 99.5 %
@Wavelength 370 nm | 99.5 %
@Wavelength 370 nm |
| |
| Descriptive Properties |
|---|
| Acid Resistance, Powder Method, RAP) | 1 |
| coloring, λ 5 | 295 |
| coloring, λ 80 | 325 |
| Knoop Hardness Class | 6 |
| Melt Frequency | 5 |
| Ohara Code d | 557587 |
| Ohara Code e | 559585 |
| Ohara Status | Standard |
| Phosphate Resistance, PR | 1 |
| Relative Price | 9.0 |
| Water Resistance, RW(P) | 1 |
| Weathering Resistance (Surface Method) W(S)max | 1 |
| Weathering Resistance (Surface Method) W(S)min | 2 |
| Yield Point, At (°C) | 547 |
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