Gamblin Artists’ Oils have the best qualities of traditionally made oils paints, combined with the latest technical innovations, to give the ultimate working properties. The Artists’ Oil range spans from historically accurate paints to modern, synthetically derived hues. Made from using pure pigments having luscious texture; No adulterants are used, colour retains its unique characteristics of tinting strength, undertone, and texture. Made with alkali-refined linseed oil as binder, yellows significantly less whilst also creating a strong, flexible paint film. 98 Vibrant Colours handcrafted with best qualities of traditionally made oils paints, combined with the latest technical innovations; Professional quality traditional oil colour made in Portland. Conforms to ASTM D4236;Natural calcined (roasted) earth pigment. More opaque today than 200 years ago. For greater transparency, consider Gamblin Transparent Earth Colors and Van Dyke Brown.