Infrared glass
| Type | Thickness | λtj | λ0 | Tλ0 | K |
| (mm) | (nm) | (nm) | (%) | ||
| HWB760 | 3 | 760±10 | 850 | ≥83.6 | ≥0.6 |
| HWB780 | 3 | 780±10 | 900 | ≥83.6 | ≥0.5 |
| HWB800 | 3 | 800±10 | 900 | ≥83.6 | ≥0.5 |
| HWB830 | 3 | 830±10 | 930 | ≥83.6 | ≥0.5 |
| HWB850 | 3 | 850±10 | 950 | ≥80.0 | ≥0.5 |
| HWB930 | 6 | 930±15 | 1050 | ≥80.0 | ≥0.2 |
| Type | Thickness | λtj | λ0 | Tλ0 | K |
| (mm) | (nm) | (nm) | (%) | ||
| HWB760 | 3 | 760±10 | 850 | ≥83.6 | ≥0.6 |
| HWB780 | 3 | 780±10 | 900 | ≥83.6 | ≥0.5 |
| HWB800 | 3 | 800±10 | 900 | ≥83.6 | ≥0.5 |
| HWB830 | 3 | 830±10 | 930 | ≥83.6 | ≥0.5 |
| HWB850 | 3 | 850±10 | 950 | ≥80.0 | ≥0.5 |
| HWB930 | 6 | 930±15 | 1050 | ≥80.0 | ≥0.2 |
