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by epx 3024 days ago
Diamine Registrar Ink is another option. It writes blue then it fades to gray. Some Noodler's (US) inks are resistant to a wide range of solvents as well.
1 comments

Rohrer und Klingner Dokumentus ink works great too, it's certified to withstand water, organic solvents, bleach, acids and the lot. It bonds with cellulose, but it won't stick to your fingers!