| 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-LAK9 Glass.pdf |
| Price | EMAIL US sales@lookpolymers.com |
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 3.51 g/cc | 0.127 lb/in³ |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Knoop Microhardness | 700 | 700 | .1/20 |
| Modulus of Elasticity | 110 GPa | 16000 ksi | |
| Poissons Ratio | 0.285 | 0.285 | |
| Shear Modulus | 43.0 GPa | 6240 ksi | calculated |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 6.30 µm/m-°C @Temperature -30.0 - 70.0 °C |
3.50 µin/in-°F @Temperature -22.0 - 158 °F |
|
| 7.50 µm/m-°C @Temperature 20.0 - 300 °C |
4.17 µin/in-°F @Temperature 68.0 - 572 °F |
||
| Specific Heat Capacity | 0.649 J/g-°C | 0.155 BTU/lb-°F | |
| Thermal Conductivity | 0.908 W/m-K | 6.30 BTU-in/hr-ft²-°F | |
| Transformation Temperature, Tg | 656 °C | 1210 °F |
| Optical Properties | Metric | English | Comments |
|---|---|---|---|
| Refractive Index | 1.691 @Wavelength 587.6 nm |
1.691 @Wavelength 587.6 nm |
n<sub>d</sub> |
| 1.69401 @Wavelength 546.1 nm |
1.69401 @Wavelength 546.1 nm |
n<sub>e</sub> | |
| Transmission, Visible | 95.4 % @Thickness 10.0 mm, Wavelength 380 nm |
95.4 % @Thickness 0.394 in, Wavelength 380 nm |
|
| 98.3 % @Thickness 10.0 mm, Wavelength 405 nm |
98.3 % @Thickness 0.394 in, Wavelength 405 nm |
||
| 99.4 % @Thickness 10.0 mm, Wavelength 460 nm |
99.4 % @Thickness 0.394 in, Wavelength 460 nm |
||
| 99.8 % @Thickness 10.0 mm, Wavelength 580 nm |
99.8 % @Thickness 0.394 in, Wavelength 580 nm |
||
| 99.8 % @Thickness 10.0 mm, Wavelength 700 nm |
99.8 % @Thickness 0.394 in, Wavelength 700 nm |
||
| IR Transmittance | 49.2 % @Thickness 10.0 mm, Wavelength 2500 nm |
49.2 % @Thickness 0.394 in, Wavelength 2500 nm |
|
| 99.2 % @Thickness 10.0 mm, Wavelength 1530 nm |
99.2 % @Thickness 0.394 in, Wavelength 1530 nm |
||
| UV Transmittance | 0.44 % @Thickness 10.0 mm, Wavelength 300 nm |
0.44 % @Thickness 0.394 in, Wavelength 300 nm |
|
| 55.6 % @Thickness 10.0 mm, Wavelength 334 nm |
55.6 % @Thickness 0.394 in, Wavelength 334 nm |
||
| 92.8 % @Thickness 10.0 mm, Wavelength 370 nm |
92.8 % @Thickness 0.394 in, Wavelength 370 nm |
| Chemical Properties | Metric | English | Comments |
|---|---|---|---|
| Acid Class, SR | 52 | 52 | |
| Alkali Class, AR | 1.2 | 1.2 | |
| Stain Resistance Class, FR | 3.0 | 3.0 |
| Descriptive Properties | Value | Comments |
|---|---|---|
| B | 0 | |
| Climatic Resistance Test CR | 3 | |
| HG | 3 | |
| K (10-6mm2/N) | 1.83 | |
| Phosphate Resistance PR | 4.3 | |
| T1013.0 (°C) | 645 | |
| T107.6 (°C) | 722 |