| Category | Ceramic , Glass , Filter , Optical |
| Manufacturer | Schott Glas Mainz |
| Trade Name | |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Schott WG280 Long Pass Filter.pdf |
| Price | EMAIL US sales@lookpolymers.com |
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 2.51 g/cc | 0.0907 lb/in³ |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 9.20 µm/m-°C @Temperature -30.0 - 70.0 °C |
5.11 µin/in-°F @Temperature -22.0 - 158 °F |
|
| 9.90 µm/m-°C @Temperature 20.0 - 300 °C |
5.50 µin/in-°F @Temperature 68.0 - 572 °F |
||
| Transformation Temperature, Tg | 563 °C | 1050 °F | |
| Glass Temperature Coefficient | 0.38 | 0.38 |
| Optical Properties | Metric | English | Comments |
|---|---|---|---|
| Refractive Index | 1.51 @Wavelength 1014 nm |
1.51 @Wavelength 1014 nm |
Hg |
| 1.52 @Wavelength 587.6 nm |
1.52 @Wavelength 587.6 nm |
He | |
| 1.55 @Wavelength 296.7 nm |
1.55 @Wavelength 296.7 nm |
Hg | |
| Transmission, Visible | 92 % @Wavelength 400 - 700 nm |
92 % @Wavelength 400 - 700 nm |
Internal transmittance of 100% Â from 400-700 nm. |
| IR Transmittance | 92 % @Wavelength 700 - 1900 nm |
92 % @Wavelength 700 - 1900 nm |
Internal transmittance of 100% Â from 700-1900 nm. |
| UV Transmittance | <= 0.080 % @Wavelength 200 - 250 nm |
<= 0.080 % @Wavelength 200 - 250 nm |
|
| 92 % @Wavelength 360 - 390 nm |
92 % @Wavelength 360 - 390 nm |
Internal transmittance of 100% Â from 360-390 nm | |
| Reflection Coefficient, Visible (0-1) | 0.91 | 0.91 |
| Chemical Properties | Metric | English | Comments |
|---|---|---|---|
| Acid Class, SR | 1 | 1 | |
| Alkali Class, AR | 1.2 | 1.2 | |
| Stain Resistance Class, FR | 0.0 | 0.0 |