Copper No. 2
material specific
Composition
5-10g FeCl₃, 25ml HCl, 100ml H₂O
5-10%
Method
immersion
Time
20s
Basic Information
Category:Material Specific
Composition:5-10g FeCl₃, 25ml HCl, 100ml H₂O
Concentration:5-10%
Reveals:Grain boundaries, phases
Typical Results:For copper alloys and bronzes. Reveals grain structure.
Color Effects:Grain boundaries dark
Available from PACE Technologies
This etchant is available as a ready-to-use product.