Main Products: IR lenses ,Optical Windows ,Optical Lenses ,Optical Prisms ,CaF2 windows
KCl Rectangular polished windows pair 41 x 23 x 6mm
USD $50 - $100 /Piece
Min.Order:20 Pieces
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Business Type: Manufacturer,Trading Company
Saint Petersburg Russian FederationMain Products: IR lenses ,Optical Windows ,Optical Lenses ,Optical Prisms ,CaF2 windowsProduct Details
Potassium Chloride is mainly used for CO2 laser protection windows as an inexpensive disposable material with a low refractive index.
Potassium Chloride is used for infrared windows, lenses and prisms when transmission in the range 0.3-20µm is desired (transmission extends beyond that of Sodium Chloride).
Potassium Chloride is soluble in water and polished surfaces of KCl windows must be protected from moisture. KCl windows can be used at temperatures up to 400°C.
KCl properties | |
| Chemical Formula | KCl |
| Crystal Class | Cubic |
| Lattice Constant, Å | 6.29 |
| Molecular Weight | 74.55 |
| Density, g/cm3 (20 °C) | 1.98 |
| Reflection Loss, % for two surfaces at 10 µm | 6.8 |
| Dielectric Constant for 106 Hz at 302 K | 4.64 |
| Melting Temperature, K | 1050 |
| Thermal Conductivity, W/(m K) at 315 K | 6.7 |
| Thermal Expansion, 1/K at 300 K | 36.6 x 10-6 |
| Specific Heat, cal/(g K) at 273 K | 0.162 |
| Debye Temperature, K | 235 |
| Bandgap, eV | 8.5 |
| Solubility, g/100 g H2O at 293 K | 34.7 |
| Knoop Hardness, kg/mm2 | 7.2[110], 9.3[100] |
| Young's Modulus, GPa | 29.63 |
| Rupture Modulus, GPa | 0.0044 |
| Shear Modulus, GPa | 6.24 |
| Bulk Modulus, GPa | 17.36 |
| µm | No | µm | No | µm | No |
| 0.185 | 1.8271 | 0.200 | 1.7187 | 0.251 | 1.5897 |
| 0.308 | 1.54136 | 0.410 | 1.50907 | 0.509 | 1.4962 |
| 0.671 | 1.48669 | 0.883 | 1.48142 | 0.982 | 1.4800 |
| 1.179 | 1.47831 | 2.357 | 1.47475 | 2.947 | 1.47383 |
| 3.536 | 1.47305 | 4.715 | 1.47112 | 5.000 | 1.47048 |
| 6.000 | 1.46842 | 7.000 | 1.466 | 8.000 | 1.4629 |
| 9.000 | 1.46002 | 10.00 | 1.45644 | 11.00 | 1.45244 |
| 12.00 | 1.44801 | 13.00 | 1.44313 | 14.00 | 1.43779 |
| 15.00 | 1.43197 | 16.00 | 1.42563 | 17.00 | 1.41877 |
| 18.00 | 1.41134 | 19.00 | 1.40333 | 20.00 | 1.39469 |
| 21.00 | 1.38538 | 22.00 | 1.37537 | 23.00 | 1.36461 |
| 24.00 | 1.35303 | 25.00 | 1.34059 | 26.00 | 1.32721 |
| 27.00 | 1.31281 | 28.00 | 1.29731 |
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