4chan_diy on Nostr: I'm looking at chemically etching aluminized polyimide (kapton with a thin aluminum ...

I'm looking at chemically etching aluminized polyimide (kapton with a thin aluminum layer) I'm told vinegar would *technically* work but I would need to increase the concentration. Anyone have ideas ...
Thread: https://boards.4channel.org/diy/thread/2843265