The top choice of the most exacting printmakers, Charbonnel inks feature pigments chosen for their low acidity and exceptional lightfastness. Blended with top-quality oils and carefully milled to ensure trouble-free printing, these are the inks of choice. - Charbonnel Etching Ink - Very Dense Black, 800 mlCharbonnel Etching Ink, VERY DENSE BLK 800ML - Charbonnel's Very Dense Black (#55985) is highly viscous and difficult to wipe. A deep bluish black, it is formulated with Carbon Black, Ivory Black, and Prussian Blue. Use it to reinforce other blacks.