|
Physical Properties | Metric | English | Comments |
---|
Specific Gravity | 3.76 g/cc | 3.76 g/cc |
|
Chemical Properties | Metric | English | Comments |
---|
Acid Class, SR | 51.3 | 51.3 |
|
Mechanical Properties | Metric | English | Comments |
---|
Hardness, Knoop | 360 @Load 0.0999 kg | 360 @Load 0.220 lb |
Modulus of Elasticity | 74.7 GPa | 10800 ksi |
Modulus of Rigidity | 28.9 GPa | 4190 ksi |
Poissons Ratio | 0.295 | 0.295 |
Abrasion | 506 | 506 |
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Thermal Properties | Metric | English | Comments |
---|
CTE, linear | 12.3 µm/m-°C @Temperature -30.0 - 70.0 °C | 6.83 µin/in-°F @Temperature -22.0 - 158 °F |
| 14.3 µm/m-°C @Temperature 100 - 300 °C | 7.94 µin/in-°F @Temperature 212 - 572 °F |
Thermal Conductivity | 0.746 W/m-K @Temperature 35.0 °C | 5.18 BTU-in/hr-ft²-°F @Temperature 95.0 °F |
Transformation Temperature, Tg | 488 °C | 910 °F |
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Optical Properties | Metric | English | Comments |
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Refractive Index | 1.50911 @Wavelength 2325.42 nm | 1.50911 @Wavelength 2325.42 nm |
| 1.51254 @Wavelength 1970.09 nm | 1.51254 @Wavelength 1970.09 nm |
| 1.51625 @Wavelength 1529.58 nm | 1.51625 @Wavelength 1529.58 nm |
| 1.51955 @Wavelength 1128.64 nm | 1.51955 @Wavelength 1128.64 nm |
| 1.52065 @Wavelength 1013.98 nm | 1.52065 @Wavelength 1013.98 nm |
| 1.52258 @Wavelength 852.11 nm | 1.52258 @Wavelength 852.11 nm |
| 1.5239 @Wavelength 768.19 nm | 1.5239 @Wavelength 768.19 nm |
| 1.5251 @Wavelength 706.52 nm | 1.5251 @Wavelength 706.52 nm |
| 1.5263 @Wavelength 656.27 nm | 1.5263 @Wavelength 656.27 nm |
| 1.52664 @Wavelength 643.85 nm | 1.52664 @Wavelength 643.85 nm |
| 1.52695 @Wavelength 632.8 nm | 1.52695 @Wavelength 632.8 nm |
| 1.52835 @Wavelength 589.29 nm | 1.52835 @Wavelength 589.29 nm |
| 1.52841 @Wavelength 587.56 nm | 1.52841 @Wavelength 587.56 nm |
| 1.53006 @Wavelength 546.07 nm | 1.53006 @Wavelength 546.07 nm |
| 1.53321 @Wavelength 486.13 nm | 1.53321 @Wavelength 486.13 nm |
| 1.53361 @Wavelength 479.99 nm | 1.53361 @Wavelength 479.99 nm |
| 1.53645 @Wavelength 441.57 nm | 1.53645 @Wavelength 441.57 nm |
| 1.53694 @Wavelength 435.835 nm | 1.53694 @Wavelength 435.835 nm |
| 1.54002 @Wavelength 404.656 nm | 1.54002 @Wavelength 404.656 nm |
| 1.54522 @Wavelength 365.015 nm | 1.54522 @Wavelength 365.015 nm |
Abbe Number | 76.07 | 76.07 |
| 76.46 | 76.46 |
Optical Dispersion | 0.002107 | 0.002107 |
| 0.002406 | 0.002406 |
| 0.003076 | 0.003076 |
| 0.003422 | 0.003422 |
| 0.003546 | 0.003546 |
| 0.003729 | 0.003729 |
| 0.003757 | 0.003757 |
| 0.00565 | 0.00565 |
| 0.005985 | 0.005985 |
| 0.006911 | 0.006911 |
| 0.006968 | 0.006968 |
| 0.008275 | 0.008275 |
| 0.008533 | 0.008533 |
| 0.011612 | 0.011612 |
Transmission, Visible | 99.2 % @Thickness 10.0 mm, Wavelength 380 nm | 99.2 % @Thickness 0.394 in, Wavelength 380 nm |
| 99.5 % @Thickness 10.0 mm, Wavelength 390 nm | 99.5 % @Thickness 0.394 in, Wavelength 390 nm |
| 99.5 % @Thickness 10.0 mm, Wavelength 420 nm | 99.5 % @Thickness 0.394 in, Wavelength 420 nm |
| 99.5 % @Thickness 10.0 mm, Wavelength 440 nm | 99.5 % @Thickness 0.394 in, Wavelength 440 nm |
| 99.6 % @Thickness 10.0 mm, Wavelength 400 nm | 99.6 % @Thickness 0.394 in, Wavelength 400 nm |
| 99.6 % @Thickness 10.0 mm, Wavelength 460 nm | 99.6 % @Thickness 0.394 in, Wavelength 460 nm |
| 99.7 % @Thickness 10.0 mm, Wavelength 480 nm | 99.7 % @Thickness 0.394 in, Wavelength 480 nm |
| 99.7 % @Thickness 10.0 mm, Wavelength 700 nm | 99.7 % @Thickness 0.394 in, Wavelength 700 nm |
| 99.8 % @Thickness 10.0 mm, Wavelength 500 nm | 99.8 % @Thickness 0.394 in, Wavelength 500 nm |
| 99.8 % @Thickness 10.0 mm, Wavelength 600 nm | 99.8 % @Thickness 0.394 in, Wavelength 600 nm |
| 99.8 % @Thickness 10.0 mm, Wavelength 650 nm | 99.8 % @Thickness 0.394 in, Wavelength 650 nm |
| 99.9 % @Thickness 10.0 mm, Wavelength 550 nm | 99.9 % @Thickness 0.394 in, Wavelength 550 nm |
IR Transmittance | 99.5 % @Thickness 10.0 mm, Wavelength 2400 nm | 99.5 % @Thickness 0.394 in, Wavelength 2400 nm |
| 99.6 % @Thickness 10.0 mm, Wavelength 2200 nm | 99.6 % @Thickness 0.394 in, Wavelength 2200 nm |
| 99.7 % @Thickness 10.0 mm, Wavelength 800 nm | 99.7 % @Thickness 0.394 in, Wavelength 800 nm |
| 99.7 % @Thickness 10.0 mm, Wavelength 900 nm | 99.7 % @Thickness 0.394 in, Wavelength 900 nm |
| 99.7 % @Thickness 10.0 mm, Wavelength 1000 nm | 99.7 % @Thickness 0.394 in, Wavelength 1000 nm |
| 99.8 % @Thickness 10.0 mm, Wavelength 1200 nm | 99.8 % @Thickness 0.394 in, Wavelength 1200 nm |
| 99.8 % @Thickness 10.0 mm, Wavelength 1600 nm | 99.8 % @Thickness 0.394 in, Wavelength 1600 nm |
| 99.8 % @Thickness 10.0 mm, Wavelength 1800 nm | 99.8 % @Thickness 0.394 in, Wavelength 1800 nm |
| 99.8 % @Thickness 10.0 mm, Wavelength 2000 nm | 99.8 % @Thickness 0.394 in, Wavelength 2000 nm |
| 99.9 % @Thickness 10.0 mm, Wavelength 1400 nm | 99.9 % @Thickness 0.394 in, Wavelength 1400 nm |
UV Transmittance | 3.0 % @Thickness 10.0 mm, Wavelength 280 nm | 3.0 % @Thickness 0.394 in, Wavelength 280 nm |
| 9.0 % @Thickness 10.0 mm, Wavelength 290 nm | 9.0 % @Thickness 0.394 in, Wavelength 290 nm |
| 20 % @Thickness 10.0 mm, Wavelength 300 nm | 20 % @Thickness 0.394 in, Wavelength 300 nm |
| 37 % @Thickness 10.0 mm, Wavelength 310 nm | 37 % @Thickness 0.394 in, Wavelength 310 nm |
| 58 % @Thickness 10.0 mm, Wavelength 320 nm | 58 % @Thickness 0.394 in, Wavelength 320 nm |
| 75 % @Thickness 10.0 mm, Wavelength 330 nm | 75 % @Thickness 0.394 in, Wavelength 330 nm |
| 86 % @Thickness 10.0 mm, Wavelength 340 nm | 86 % @Thickness 0.394 in, Wavelength 340 nm |
| 93.4 % @Thickness 10.0 mm, Wavelength 350 nm | 93.4 % @Thickness 0.394 in, Wavelength 350 nm |
| 96.8 % @Thickness 10.0 mm, Wavelength 360 nm | 96.8 % @Thickness 0.394 in, Wavelength 360 nm |
| 98.4 % @Thickness 10.0 mm, Wavelength 370 nm | 98.4 % @Thickness 0.394 in, Wavelength 370 nm |
|
Descriptive Properties |
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Acid Resistance, Powder Method, RA(P) | 3 |
CCI | 0.00 B |
| 0.14 G |
| 0.14 R |
coloring, λ 80 | 340 |
Coloring, Internal Transmission λ 0.05 | 283 |
Coloring, Internal Transmission λ 0.80 | 335 |
Knoop Hardness Class | 4 |
Ohara Code d | 528765 |
Ohara Code e | 530760 |
Phosphate Resistance, PR | 4.3 |
Photoelastic Constant (ß) | 0.72 |
Water Resistance, RW(P) | 1 |
Weathering Resistance (Surface Method) W(S)max | 1 |
Yield Point, At (°C) | 520 |