Tin Alloy Etchants
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 |
|
Ethanol or methanol |
|
Several minutes |
Pure tin, tin-lead alloys, tin-antimony-copper alloys |
|
Nital
|
100 ml 1-10 ml |
Seconds to minutes |
Do not exceed 10% nitric acid -explosive |
|
Distilled water or methanol
|
100 ml |
Seconds to minutes |
Tin-copper alloys |
 |
Tin-copper alloy, etched with 2% Nital, Mag. 100X (DIC) |