Keller's Reagent
material specific
Composition
2ml HF, 3ml HCl, 5ml HNO₃, 190ml H₂O
Mixed
Method
immersion
Time
15s
Basic Information
Category:Material Specific
Composition:2ml HF, 3ml HCl, 5ml HNO₃, 190ml H₂O
Concentration:Mixed
Reveals:Grain boundaries, precipitates, phases
Typical Results:Standard etchant for aluminum alloys. Reveals grain structure and second phases.
Color Effects:Grain boundaries dark
Available from PACE Technologies
This etchant is available as a ready-to-use product.