Pigments — Dyes

Colourants can be classified into two categories: Pigments & Dyes Pigments Pigments are solid, decorative materials in the form of small discrete particles that are insoluble in the medium in which they are applied to, they can be inorganic or organic and are coloured, black or white materials which are practically insoluble and are suspended within a medium. Since they are suspended in the binder the physical condition of the particles is hugely important, this is why manufactures rigidly control production conditions to ensure uniformity within each production batch as the smallest change can drastically affect the shade and strength...