Metallography Consumables
Keller's Reagent
Standard etchant for aluminium and aluminium alloys
PRODUCT OVERVIEW
Keller's reagent is the standard etchant for aluminium and aluminium alloys. Reveals grain boundaries, second phases, and intermetallic compounds in aluminium alloy microstructures.
TECHNICAL SPECIFICATIONS
CompositionHF, HCl, HNO₃, H₂O
ApplicationImmersion
Etch Time10–20 seconds
MaterialsAluminium and aluminium alloys
Packaging100mL, 500mL
SafetyCorrosive, HF content — see SDS
APPLICATIONS
- Aluminium alloy microstructure
- Grain boundary revelation
- Second phase identification
- Intermetallic compound imaging
- Wrought and cast aluminium
KEY FEATURES
- Standard etchant for all aluminium alloys
- Reveals grain boundaries and second phases
- Ready-to-use formulation
- Consistent results across aluminium alloy families
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Metallographic Etchants