KRS-6 (Thallium Bromide Chloride)
lenses, windows, mirrors, filters and prisms
KRS-6 is used for infrared windows and lenses for application out to 20 microns. KRS-6 is relatively soft and care should be taken during handling and processing.
Caution: Thallium compounds are classified as toxic and must be handled with care.
| Transmission Range | 0.4 – 32.0 microns |
| Crystal Structure | Caesium chloride |
| Cleavage Plane | None |
| Colour | colourless |
| Density | 7.19 |
| Melting Point (°) | 423.5 °C |
| Reflection Loss | 24.2% (10 microns) |
| Solubility index | 0.32gm/100gm water at 20 ° C |
| Hardness (Knoop) | 29.9 |
| Thermal Conductivity (cal/cm sec°C) | 0.0017 at 56 °C |
| Thermal Expansion coefficient (/°C) | 50 x 10 -6 /°C |
