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

Fracture 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.

Contact/Inquiry

Korth Kristalle

Am Jägersberg 3
24161 Altenholz

+49 (0)431 - 36 90 50
+49 (0)431 - 36 90 525

info@korth.de


Contact

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