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

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!