Etching NiTinol with Multi-Etch
How to etch nickel titanium, or NiTinol, 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 NiTinol
|Process||Etch time (minutes)|
|150–160°F double strength||3|
|Note: Sample degreased with Simple Green.|
|Process||Etch time (minutes)||Etch depth (inches, cumulative total)||Etch depth (millimeters, cumulative total)|
|150–160°F double strength|
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 NiTinol.
Tips and tricks when etching with Multi-Etch
Questions? You can contact Multi-Etch by phone or email.