Just make sure you don't use hot acid, as the copper in it will create sulfur dioxide, and you'll be choking on the fumes.
Message
Re: [Homebrew_PCBs] Sulfuric acid should remove TT paper.
2006-12-11 by Borislav Trifonov
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Message
2006-12-11 by Borislav Trifonov
Just make sure you don't use hot acid, as the copper in it will create sulfur dioxide, and you'll be choking on the fumes.