15 ms·
What acid did you use, when I etched my first board in 1969, I used Ferric chloride (that stuff stains everything!) and an aluminum pie plate, it worked fine, n
by Mister_X 8y ago
What acid did you use, when I etched my first board in 1969, I used Ferric chloride (that stuff stains everything!) and an aluminum pie plate, it worked fine, no reactions at all, other than slowly etching my copper circuit board.
- proee 8y agoI believe it was ferric chloride. The table saw and garage foor were permanently stained a brown rust color.