This series of colorants are made up of pure water base dye blended into a lightly resonated urethane design to create two-tone effects over an opaque base color The system is a Ready To Use Coating…just color match and apply. Can be applied with spray or wipe on methods. For best performance, use the 400 series basecoats to create the base color needed. These dye coats MUST be top coated. Not recommended for automotive use. These colorants are not pigments and have lower light fastness properties.