| 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 BG40 Band Pass Filter.pdf |
| Price | EMAIL US sales@lookpolymers.com |
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 2.67 g/cc | 0.0965 lb/in³ |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 11.9 µm/m-°C @Temperature -30.0 - 70.0 °C |
6.61 µin/in-°F @Temperature -22.0 - 158 °F |
|
| 13.7 µm/m-°C @Temperature 20.0 - 300 °C |
7.61 µin/in-°F @Temperature 68.0 - 572 °F |
||
| Transformation Temperature, Tg | 305 °C | 581 °F |
| Optical Properties | Metric | English | Comments |
|---|---|---|---|
| Refractive Index | 1.53 @Wavelength 587.6 nm |
1.53 @Wavelength 587.6 nm |
He |
| 1.54 @Wavelength 404.7 nm |
1.54 @Wavelength 404.7 nm |
Hg | |
| Transmission, Visible | 15 % @Wavelength 690 nm |
15 % @Wavelength 690 nm |
|
| 90 % @Wavelength 450 - 530 nm |
90 % @Wavelength 450 - 530 nm |
Internal transmittance of 98% at 450-530 nm | |
| IR Transmittance | 75 % @Wavelength 2100 nm |
75 % @Wavelength 2100 nm |
Internal transmittance of 81% at 2100 nm. |
| UV Transmittance | <= 2.0 % @Wavelength 200 - 310 nm |
<= 2.0 % @Wavelength 200 - 310 nm |
|
| 88 % @Wavelength 390 nm |
88 % @Wavelength 390 nm |
Internal transmittance of 95% at 390 nm | |
| Reflection Coefficient, Visible (0-1) | 0.92 | 0.92 |
| Chemical Properties | Metric | English | Comments |
|---|---|---|---|
| Acid Class, SR | 5.1 | 5.1 | |
| Alkali Class, AR | 3 | 3 | |
| Stain Resistance Class, FR | 0.0 | 0.0 |