Vallejo Acrylic Artist Fluid Colors formulated with the best artists pigments available, chosen for their beauty, maximum stability and maximum of light fastness. The pigments are dispersed in an 100% acrylic polymer emulsion. The range contains both organic and inorganic pigments, such as quinacridone, cobalt and pyrroles, and is free of additives which are considered fillers or matting agents; the drying of these colors will be brilliant, satin or matt, and opaque or transparent depending on the nature of the pigment. Acrylic Artist Fluid Colors have a viscosity of 1000 to 2000-cPs and brush on to a smooth, even film. The Fluid colors are very versatile: ideal for pouring and dropping techniques, staining and glazing, shading or as an alternative to watercolors, they are used in airbrushing techniques when diluted with Airbrush Thinner. The colors dry water-resistant, non- yellowing and UV resistant, to form a film of excellent adhesion, flexibility and resistance, and can be mixed or combined with our mediums and textures. Fluid Artist Acrylic conforms to the European Security Regulations and Environmental Standards of the REACH Protocol and to the U.S.A. certification ASTM D-4236 (No Health Label Required.