Ink (ink, printing ink) is an important material used for printing, it will by printing design, performance on the substrates. Ink and auxiliary components, including of the main ingredients in them evenly mixed and after repeated rolling and become a jelly-like fluid viscosity. By connecting material (resin), pigments, fillers, additives and solvents, etc. Used in books, packaging decoration, construction decoration and electronic circuit board, etc. Various kinds of printing. Along with the social demand, ink varieties and production was expanded and growth.

pigment

Including pigments and dyes, pigments organic pigments and inorganic pigments, the bright color, good dyeing force, put dry time is short, so widely used in printing ink, such as azo, brilliant blue pigments; The latter light resistance, heat resistance, solvent resistance, good hidden forces such as titanium white chrome, cadmium red, green, ultramarine blue, etc. Colored paint with graininess, and does not dissolve, is the most commonly used in printing ink pigment. And the dye mixture solution when use, in molecular state color, effect is better than paint. Pigment can give a printing ink with different colors and color concentration, and the ink has a certain consistency and dry.