KCl Potassium Chloride

Potassium Chloride

(

KCl

)

Eigenschaften
Transmission Range	0.18 - 25 µm (thickness 2mm)
Refractive Index	1.488099 @633nm
Reflection Loss	3.45% @10 µm
Residual Beam Wavelength	63.1 µm
Density	1.989 g/cm³
Melting point	776°C
Molecular Weight	74.55
Thermal Conductivity	6.53 W/(m·K) @322K
Spec. Heat Capacity	693.26 J/(kg·K)
Thermal Expansion	36 · 10^-6/ K (253...333K)
Hardness (Mohs)	9.3 <100> (indenter load 200g)
Young's Modulus	29.63 GPa
Shear Modulus	6.24 GPa
Bulk Modulus	17.36 GPa
Rupture Modulus	4.4 MPa
Elastic Coefficient	C₁₁ = 40.5; C₁₂ = 6.9; C₄₄ = 6.27 GPa
Dielectric Constant	4.64 @302K, f = 1 MHz
Solubility in Water	34.7g /100g @20°C
Crystal Structure	single crystal, synthetic
Crystal Type	cubic, NaCl type structure, a0= 6.29 Å
Cleavage Planes	(100)
Poisson Ratio	0.29
Application	IR spectroscopy, windows for CO2 laser, protection windows for cutting lenses
Remarks	coating available, high laser radiation resitance, max. temperature for application 400°C, sensitive in combination with humidity and weak alcohol (but less than KBr)
Remarkable	Good transmission up to FIR range (25 µm) Slightly easier to handle than KBr (hardness, water solubility) Applicable as a budget-priced protective window for IR optics (e.g. CO2 laser) A diameter of 160 mm is the maximum size of our optics

NOTE: Despite careful research, we do not accept any liability for the correctness of the information provided. Liability claims based on the use of the information are excluded in principle.

KCl – Potassium Chloride: Korth Kristalle - Vom Rohkristall zur hochpräzisen Optik. Durchblick für alle Wellenlängen - Seit 72 Jahren züchten wir Kristalle und fertigen daraus hochpräzise optische Komponenten für alle Wellenlängen vom IR- bis zum VUV-Bereich. Unsere Produkte kommen in allen Bereichen zum Einsatz, in denen eine hochentwickelte, präzise technische Ausstattung unerlässlich ist – von der Analytik bis hin zur Medizin- und Raumfahrttechnik.