Not all inks. This for example withstands pretty much any liquid (yes, including industrial strength solvents -- I've checked): https://www.amazon.com/Noodlers-

Not all inks. This for example withstands pretty much any liquid (yes, including industrial strength solvents -- I've checked): https://www.amazon.com/Noodlers-Black-Waterproof-Fountain-Pen/dp/B000MVZ2E6 https://www.amazon.com/Noodlers-Black-Waterproof-Fountain-Pe...