| Category | Ceramic , Glass |
| Manufacturer | Schott North America |
| Trade Name | |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Schott N-LAK8 Glass.pdf |
| Price | EMAIL US sales@lookpolymers.com |
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 3.75 g/cc | 0.135 lb/in³ |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Knoop Microhardness | 740 | 740 | .1/20 |
| Modulus of Elasticity | 115 GPa | 16700 ksi | |
| Poissons Ratio | 0.289 | 0.289 | |
| Shear Modulus | 45.0 GPa | 6530 ksi | calculated |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 5.60 µm/m-°C @Temperature -30.0 - 70.0 °C |
3.11 µin/in-°F @Temperature -22.0 - 158 °F |
|
| 6.70 µm/m-°C @Temperature 20.0 - 300 °C |
3.72 µin/in-°F @Temperature 68.0 - 572 °F |
||
| Specific Heat Capacity | 0.620 J/g-°C | 0.148 BTU/lb-°F | |
| Thermal Conductivity | 0.840 W/m-K | 5.83 BTU-in/hr-ft²-°F | |
| Transformation Temperature, Tg | 643 °C | 1190 °F |
| Optical Properties | Metric | English | Comments |
|---|---|---|---|
| Refractive Index | 1.713 @Wavelength 587.6 nm |
1.713 @Wavelength 587.6 nm |
n<sub>d</sub> |
| 1.71616 @Wavelength 546.1 nm |
1.71616 @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 |
|
| 98.1 % @Thickness 10.0 mm, Wavelength 405 nm |
98.1 % @Thickness 0.394 in, Wavelength 405 nm |
||
| 99.5 % @Thickness 10.0 mm, Wavelength 460 nm |
99.5 % @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 | 39.8 % @Thickness 10.0 mm, Wavelength 2500 nm |
39.8 % @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 | 4.4 % @Thickness 10.0 mm, Wavelength 300 nm |
4.4 % @Thickness 0.394 in, Wavelength 300 nm |
|
| 50.9 % @Thickness 10.0 mm, Wavelength 334 nm |
50.9 % @Thickness 0.394 in, Wavelength 334 nm |
||
| 90.5 % @Thickness 10.0 mm, Wavelength 370 nm |
90.5 % @Thickness 0.394 in, Wavelength 370 nm |
| Chemical Properties | Metric | English | Comments |
|---|---|---|---|
| Acid Class, SR | 52.3 | 52.3 | |
| Alkali Class, AR | 1.0 | 1.0 | |
| Stain Resistance Class, FR | 2.0 | 2.0 |
| Descriptive Properties | Value | Comments |
|---|---|---|
| B | 0 | |
| Climatic Resistance Test CR | 3 | |
| HG | 2 | |
| K (10-6mm2/N) | 1.81 | |
| Phosphate Resistance PR | 3.3 | |
| T1013.0 (°C) | 635 | |
| T107.6 (°C) | 717 |