| 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-SK5 Glass.pdf |
| Price | EMAIL US sales@lookpolymers.com |
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 3.30 g/cc | 0.119 lb/in³ |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Knoop Microhardness | 590 | 590 | .1/20 |
| Modulus of Elasticity | 84.0 GPa | 12200 ksi | |
| Poissons Ratio | 0.256 | 0.256 | |
| Shear Modulus | 33.0 GPa | 4790 ksi | calculated |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 5.50 µm/m-°C @Temperature -30.0 - 70.0 °C |
3.06 µin/in-°F @Temperature -22.0 - 158 °F |
|
| 6.50 µm/m-°C @Temperature 20.0 - 300 °C |
3.61 µin/in-°F @Temperature 68.0 - 572 °F |
||
| Specific Heat Capacity | 0.560 J/g-°C | 0.134 BTU/lb-°F | |
| Thermal Conductivity | 0.990 W/m-K | 6.87 BTU-in/hr-ft²-°F | |
| Transformation Temperature, Tg | 660 °C | 1220 °F |
| Optical Properties | Metric | English | Comments |
|---|---|---|---|
| Refractive Index | 1.58913 @Wavelength 587.6 nm |
1.58913 @Wavelength 587.6 nm |
n<sub>d</sub> |
| 1.59142 @Wavelength 546.1 nm |
1.59142 @Wavelength 546.1 nm |
n<sub>e</sub> | |
| Transmission, Visible | 98.4 % @Thickness 10.0 mm, Wavelength 380 nm |
98.4 % @Thickness 0.394 in, Wavelength 380 nm |
|
| 99.3 % @Thickness 10.0 mm, Wavelength 405 nm |
99.3 % @Thickness 0.394 in, Wavelength 405 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 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 | 68 % @Thickness 10.0 mm, Wavelength 2500 nm |
68 % @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 | 3.0 % @Thickness 10.0 mm, Wavelength 280 nm |
3.0 % @Thickness 0.394 in, Wavelength 280 nm |
|
| 21 % @Thickness 10.0 mm, Wavelength 300 nm |
21 % @Thickness 0.394 in, Wavelength 300 nm |
||
| 80 % @Thickness 10.0 mm, Wavelength 334 nm |
80 % @Thickness 0.394 in, Wavelength 334 nm |
||
| 97.6 % @Thickness 10.0 mm, Wavelength 370 nm |
97.6 % @Thickness 0.394 in, Wavelength 370 nm |
| Chemical Properties | Metric | English | Comments |
|---|---|---|---|
| Acid Class, SR | 4.4 | 4.4 | |
| Alkali Class, AR | 2.0 | 2.0 | |
| Stain Resistance Class, FR | 1.0 | 1.0 |
| Descriptive Properties | Value | Comments |
|---|---|---|
| B | 1 | |
| Climatic Resistance Test CR | 3 | |
| HG | 3 | |
| K (10-6mm2/N) | 2.16 | |
| Phosphate Resistance PR | 1.3 | |
| T1013.0 (°C) | 657 | |
| T107.6 (°C) | 791 |