Etching bronze with Multi-Etch

Bronze armor. By Swamibu (CC BY-SA 2.0).

Bronze armor. By Swamibu (CC BY-SA 2.0).

How to etch bronze with Multi-Etch

Etch rates for bronze using Multi‑Etch
Process Etch time Etch depth (inches) Surface change
Bronze PMC
135°F regular strength 3 minutes 0.0025 Brightened, no smut
Fast Bronze PMC
135°F regular strength 3 minutes 0.003 Reveals more grain structure
Ancient bronze (a Rio Grande zinc-free alloy)
135°F regular strength 20-30 seconds No change Brightened, no smut

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 bronze.

Tips and tricks when etching with Multi-Etch

Ordering Multi-Etch

Multi-Etch can be ordered throughout the world! View the list of Multi-Etch retailers.

Questions? You can contact Multi-Etch by phone or email.