| Category | Ceramic , Glass |
| Manufacturer | Schott North America |
| Trade Name | |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Schott N-LAK12 Glass.pdf |
| Price | EMAIL US sales@lookpolymers.com |
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 4.10 g/cc | 0.148 lb/in³ |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Knoop Microhardness | 560 | 560 | .1/20 |
| Modulus of Elasticity | 87.0 GPa | 12600 ksi | |
| Poissons Ratio | 0.288 | 0.288 | |
| Shear Modulus | 34.0 GPa | 4930 ksi | calculated |
| 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 |
|
| 9.30 µm/m-°C @Temperature 20.0 - 300 °C |
5.17 µin/in-°F @Temperature 68.0 - 572 °F |
||
| Transformation Temperature, Tg | 614 °C | 1140 °F |
| Optical Properties | Metric | English | Comments |
|---|---|---|---|
| Refractive Index | 1.6779 @Wavelength 587.6 nm |
1.6779 @Wavelength 587.6 nm |
n<sub>d</sub> |
| 1.68083 @Wavelength 546.1 nm |
1.68083 @Wavelength 546.1 nm |
n<sub>e</sub> | |
| Transmission, Visible | 94.6 % @Thickness 10.0 mm, Wavelength 380 nm |
94.6 % @Thickness 0.394 in, Wavelength 380 nm |
|
| 97.7 % @Thickness 10.0 mm, Wavelength 405 nm |
97.7 % @Thickness 0.394 in, Wavelength 405 nm |
||
| 98.7 % @Thickness 10.0 mm, Wavelength 460 nm |
98.7 % @Thickness 0.394 in, Wavelength 460 nm |
||
| 99.6 % @Thickness 10.0 mm, Wavelength 580 nm |
99.6 % @Thickness 0.394 in, Wavelength 580 nm |
||
| 99.7 % @Thickness 10.0 mm, Wavelength 700 nm |
99.7 % @Thickness 0.394 in, Wavelength 700 nm |
||
| IR Transmittance | 59.2 % @Thickness 10.0 mm, Wavelength 2500 nm |
59.2 % @Thickness 0.394 in, Wavelength 2500 nm |
|
| 99 % @Thickness 10.0 mm, Wavelength 1530 nm |
99 % @Thickness 0.394 in, Wavelength 1530 nm |
||
| UV Transmittance | 3.2 % @Thickness 10.0 mm, Wavelength 310 nm |
3.2 % @Thickness 0.394 in, Wavelength 310 nm |
|
| 46.8 % @Thickness 10.0 mm, Wavelength 334 nm |
46.8 % @Thickness 0.394 in, Wavelength 334 nm |
||
| 91 % @Thickness 10.0 mm, Wavelength 370 nm |
91 % @Thickness 0.394 in, Wavelength 370 nm |
| Chemical Properties | Metric | English | Comments |
|---|---|---|---|
| Acid Class, SR | 53.3 | 53.3 | |
| Alkali Class, AR | 3.3 | 3.3 | |
| Stain Resistance Class, FR | 1.0 | 1.0 |
| Descriptive Properties | Value | Comments |
|---|---|---|
| B | 1 | |
| Climatic Resistance Test CR | 3 | |
| HG | 6 | |
| K (10-6mm2/N) | 1.44 | |
| Phosphate Resistance PR | 4.3 | |
| T1013.0 (°C) | 606 | |
| T107.6 (°C) | 714 |