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 for exquisite lasting works of art. The pigments are chosen for their excellent lightfastness and low acidity. They are blended with top quality oils and finely milled to ensure trouble free printing and lasting works of art. the detail and subtleties of an artist’s work come to life with Charbonnel inks. Highest pigment load and vibrancy Lightfast colors Wide range of blacks for various techniques Excellent for all forms of intaglio lithography and monotype.? Most blues are phthalocyanine pigments except for ultramarine (combination of aluminum and silicate) and Prussian blue (ferrous complex). The last two colors have a weak covering and coloring power. However they have a very good light fastness and are compatible with all the pigments. Phthalocyanine pigments are transparent highly colored and very stable. The drying time for Charbonnel blues is 10 days (except for Orient Blue and Concentrated Blue : 20 days).