Akua 2oz Paynes Gray Intaglio Ink is soy based, with intense color that cleans with soap and water. It wipes clean from etching plates, leaving plenty of color in grooves. Akua dries through absorbtion into dry or damp paper fibers, not on your equipment. Ideal for Intaglis/Etching, Monotype, relief and Collagraph printmaking and can be used with Akua Liquid Pigments and modifiers.