Kalling's No. 2
material specific
Composition
5g CuCl₂, 100ml HCl, 100ml Ethanol
Saturated
Method
immersion
Time
30s
Basic Information
Category:Material Specific
Composition:5g CuCl₂, 100ml HCl, 100ml Ethanol
Concentration:Saturated
Reveals:Austenite grain boundaries, sigma phase, carbides
Typical Results:Excellent for austenitic stainless steels. Reveals grain boundaries and secondary phases.
Color Effects:Grain boundaries dark, matrix light
Available from PACE Technologies
This etchant is available as a ready-to-use product.