Brass and Bronze Alloys
CAUTION: Safety is very important when etching. Be sure to wear the appropriate protective clothing and observe all WARNINGS on chemical manufacturers MSDS. Also review COMMENTS Section for each etchant.
|
Etchant |
Conc. |
Conditions |
Comments |
|
Ammonium hydroxide
|
Dilute |
Immersion |
Attack polishing |
|
Distilled water
|
100 ml
|
Immersion or swabbing |
Brasses, bronzes, aluminum brass, alpha -phases in brass |
|
Ethanol
|
100 ml
|
1 second to several minutes by immersion or swabbing |
Darkens beta phase in alpha-beta brasses and aluminum |
 |
Manganese-Aluminum Bronze Alloy, 400X DIC) |