|
Physical Properties | Metric | English | Comments |
---|
Specific Gravity | 3.74 g/cc | 3.74 g/cc |
|
Chemical Properties | Metric | English | Comments |
---|
Acid Class, SR | 52.1 | 52.1 |
|
Mechanical Properties | Metric | English | Comments |
---|
Hardness, Knoop | 410 @Load 0.0999 kg | 410 @Load 0.220 lb |
Modulus of Elasticity | 76.9 GPa | 11200 ksi |
Modulus of Rigidity | 29.7 GPa | 4310 ksi |
Poissons Ratio | 0.296 | 0.296 |
Abrasion | 413 | 413 |
|
Thermal Properties | Metric | English | Comments |
---|
CTE, linear | 10.9 µm/m-°C @Temperature -30.0 - 70.0 °C | 6.06 µin/in-°F @Temperature -22.0 - 158 °F |
| 12.9 µm/m-°C @Temperature 100 - 300 °C | 7.17 µin/in-°F @Temperature 212 - 572 °F |
Thermal Conductivity | 0.765 W/m-K @Temperature 35.0 °C | 5.31 BTU-in/hr-ft²-°F @Temperature 95.0 °F |
Transformation Temperature, Tg | 474 °C | 885 °F |
|
Optical Properties | Metric | English | Comments |
---|
Refractive Index | 1.53066 @Wavelength 2325.42 nm | 1.53066 @Wavelength 2325.42 nm |
| 1.53441 @Wavelength 1970.09 nm | 1.53441 @Wavelength 1970.09 nm |
| 1.53845 @Wavelength 1529.58 nm | 1.53845 @Wavelength 1529.58 nm |
| 1.54208 @Wavelength 1128.64 nm | 1.54208 @Wavelength 1128.64 nm |
| 1.5433 @Wavelength 1013.98 nm | 1.5433 @Wavelength 1013.98 nm |
| 1.54545 @Wavelength 852.11 nm | 1.54545 @Wavelength 852.11 nm |
| 1.54692 @Wavelength 768.19 nm | 1.54692 @Wavelength 768.19 nm |
| 1.54828 @Wavelength 706.52 nm | 1.54828 @Wavelength 706.52 nm |
| 1.54963 @Wavelength 656.27 nm | 1.54963 @Wavelength 656.27 nm |
| 1.55 @Wavelength 643.85 nm | 1.55 @Wavelength 643.85 nm |
| 1.55036 @Wavelength 632.8 nm | 1.55036 @Wavelength 632.8 nm |
| 1.55193 @Wavelength 589.29 nm | 1.55193 @Wavelength 589.29 nm |
| 1.552 @Wavelength 587.56 nm | 1.552 @Wavelength 587.56 nm |
| 1.55386 @Wavelength 546.07 nm | 1.55386 @Wavelength 546.07 nm |
| 1.55743 @Wavelength 486.13 nm | 1.55743 @Wavelength 486.13 nm |
| 1.55788 @Wavelength 479.99 nm | 1.55788 @Wavelength 479.99 nm |
| 1.56111 @Wavelength 441.57 nm | 1.56111 @Wavelength 441.57 nm |
| 1.56167 @Wavelength 435.835 nm | 1.56167 @Wavelength 435.835 nm |
| 1.56517 @Wavelength 404.656 nm | 1.56517 @Wavelength 404.656 nm |
| 1.57111 @Wavelength 365.015 nm | 1.57111 @Wavelength 365.015 nm |
Abbe Number | 70.33 | 70.33 |
| 70.7 | 70.7 |
Optical Dispersion | 0.002375 | 0.002375 |
| 0.002702 | 0.002702 |
| 0.003502 | 0.003502 |
| 0.00386 | 0.00386 |
| 0.004015 | 0.004015 |
| 0.004233 | 0.004233 |
| 0.004238 | 0.004238 |
| 0.006321 | 0.006321 |
| 0.006699 | 0.006699 |
| 0.007808 | 0.007808 |
| 0.007875 | 0.007875 |
| 0.00944 | 0.00944 |
| 0.009666 | 0.009666 |
| 0.013228 | 0.013228 |
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 |
| 99.8 % @Thickness 10.0 mm, Wavelength 480 nm | 99.8 % @Thickness 0.394 in, Wavelength 480 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 650 nm | 99.8 % @Thickness 0.394 in, Wavelength 650 nm |
| 99.8 % @Thickness 10.0 mm, Wavelength 700 nm | 99.8 % @Thickness 0.394 in, Wavelength 700 nm |
| 99.9 % @Thickness 10.0 mm, Wavelength 550 nm | 99.9 % @Thickness 0.394 in, Wavelength 550 nm |
| 99.9 % @Thickness 10.0 mm, Wavelength 600 nm | 99.9 % @Thickness 0.394 in, Wavelength 600 nm |
IR Transmittance | 99.3 % @Thickness 10.0 mm, Wavelength 2400 nm | 99.3 % @Thickness 0.394 in, Wavelength 2400 nm |
| 99.4 % @Thickness 10.0 mm, Wavelength 2200 nm | 99.4 % @Thickness 0.394 in, Wavelength 2200 nm |
| 99.7 % @Thickness 10.0 mm, Wavelength 2000 nm | 99.7 % @Thickness 0.394 in, Wavelength 2000 nm |
| 99.8 % @Thickness 10.0 mm, Wavelength 800 nm | 99.8 % @Thickness 0.394 in, Wavelength 800 nm |
| 99.8 % @Thickness 10.0 mm, Wavelength 900 nm | 99.8 % @Thickness 0.394 in, Wavelength 900 nm |
| 99.8 % @Thickness 10.0 mm, Wavelength 1000 nm | 99.8 % @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 |
| 99.9 % @Thickness 10.0 mm, Wavelength 1400 nm | 99.9 % @Thickness 0.394 in, Wavelength 1400 nm |
UV Transmittance | 4.0 % @Thickness 10.0 mm, Wavelength 280 nm | 4.0 % @Thickness 0.394 in, Wavelength 280 nm |
| 10 % @Thickness 10.0 mm, Wavelength 290 nm | 10 % @Thickness 0.394 in, Wavelength 290 nm |
| 20 % @Thickness 10.0 mm, Wavelength 300 nm | 20 % @Thickness 0.394 in, Wavelength 300 nm |
| 35 % @Thickness 10.0 mm, Wavelength 310 nm | 35 % @Thickness 0.394 in, Wavelength 310 nm |
| 56 % @Thickness 10.0 mm, Wavelength 320 nm | 56 % @Thickness 0.394 in, Wavelength 320 nm |
| 73 % @Thickness 10.0 mm, Wavelength 330 nm | 73 % @Thickness 0.394 in, Wavelength 330 nm |
| 86 % @Thickness 10.0 mm, Wavelength 340 nm | 86 % @Thickness 0.394 in, Wavelength 340 nm |
| 92.9 % @Thickness 10.0 mm, Wavelength 350 nm | 92.9 % @Thickness 0.394 in, Wavelength 350 nm |
| 96.7 % @Thickness 10.0 mm, Wavelength 360 nm | 96.7 % @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 |
---|
Acid Resistance, Powder Method, RA(P) | 2 |
CCI | 0.00 B |
| 0.14 G |
| 0.14 R |
coloring, λ 80 | 345 |
Coloring, Internal Transmission λ 0.05 | 282 |
Coloring, Internal Transmission λ 0.80 | 335 |
Knoop Hardness Class | 4 |
Ohara Code d | 552708 |
Ohara Code e | 554703 |
Phosphate Resistance, PR | 4 |
Photoelastic Constant (ß) | 1.29 |
Water Resistance, RW(P) | 1 |
Weathering Resistance (Surface Method) W(S)max | 1 |
Yield Point, At (°C) | 503 |