Etching hafnium with Multi-Etch
How to etch hafnium with Multi-Etch, the safer alternative to hydrofluoric acid
Multi-Etch was originally developed for use on titanium, and is a perfect low-acid (pH 6.8) alternative to hazardous hydrofluoric (HF) acid for etching hafnium
Process | Etch time (minutes) | Etch depth (inches, cumulative total) | Surface change |
---|---|---|---|
150–160°F double strength | |||
1 | 0.0006 | None | |
2 | 0.0015 | Matte, dark grey | |
3 | 0.002 | Matte, dark grey |
Step-by-step guides on etching with Multi-Etch
The guides below demonstrate etching with titanium, but the order of steps are the same for etching hafnium.
Tips and tricks when etching with Multi-Etch
Ordering Multi-Etch
Multi-Etch can be ordered throughout the world!
Questions? You can contact Multi-Etch by phone or email.