Fry's Etchant
Fry's Reagent
Material Specific
Composition
100ml HCl, 100ml Ethanol, 5g CuClâ‚‚
Mixed
Method
Immersion
Time
30s
Alternative Names
Tags
Reveals
Grain boundaries, phases
Typical Results
For chromium steels and stainless steels.
Color Effects
Grain boundaries dark
Compatible Materials
Incompatible Materials
Application Method
Method:immersion
Typical Time:30 seconds
Preparation Notes
Dissolve 5g CuClâ‚‚ in 100ml HCl, then add 100ml ethanol.
Application Notes
Immerse sample for 30-60 seconds. Rinse with water and ethanol.
Troubleshooting
Similar formulation to other copper chloride etchants.
Storage Notes
Store in glass bottle. Shelf life: several months.
Alternative Etchants
- Kalling's No. 2
- Adler's Etchant
Similar Etchants
- Kalling's No. 2