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 - Black F66, 200 mlCharbonnel Etching Ink, BLK F66 200ML - A medium density, warm black, formulated with Ivory Black and Carbon Black, but without the Prussian Blue that is used in several other formulas. It wipes easily.