Heat-reflecting filters
Heat-reflecting filters transmit most visible light and reflect infrared thermal radiation. Depending on the design, filters with a Borofloat substrate can withstand temperatures of up to 450 °C.

General parameters
- Material
- Float glass, BK7
- Sizes
- 50 x 50mm, Ø25mm and custom sizes
- Surface quality
- Both sides 80-50
- Thickness
- 0,3mm, 0,5mm and 1,00mm
Characteristic curves
Stock range
Scroll the table sideways and down as needed.
| Size [mm] | Angle of incidence [°] | Order No. |
|---|---|---|
| Ø25 | 0 | bk-HR-00-B |
| Ø25 | 45 | bk-HR-45-B |
| 50x50mm | 0 | bk-HR-00-C |
| 50x50mm | 45 | bk-HR-45-C |