Gamblin Etching Inks were formulated at the request of professional printmakers in the Pacific Northwest who wanted strong reliable inks for edition printing. The palette of pure intense pigments offers a broad range of color mixing potential. First synthetic color of the Industrial Revolution, discovered by accident in 1704 while a chemist was trying to formulate artificial crimson. Warm blue with more muted tint than Phthalo Blue. It has a high tinting strength, is lightfast, and is especially beautiful in its transparency. Pigment: Ferri-ammonium ferrocyanide (PB 27:1)
