0.5% HF

material specific

Composition

0.5ml HF, 99.5ml H₂O

0.5%

Method

immersion

Time

10s

Basic Information

Category:Material Specific

Composition:0.5ml HF, 99.5ml H₂O

Concentration:0.5%

Reveals:Grain boundaries, precipitates

Typical Results:Light etchant for aluminum alloys. Less aggressive than Keller's reagent. Good for sensitive microstructures.

Color Effects:Grain boundaries dark