Ink is an important material for printing, which displays patterns and characters on a substrate by printing. The ink includes a main component and an auxiliary component which are uniformly mixed and repeatedly rolled to form a viscous gelatinous fluid. It consists of a binder (resin), a pigment, a filler, an auxiliary agent, a solvent, and the like. Used for printing of books, packaging, decoration, architectural decoration and electronic circuit boards. As the demand for society increases, so does the variety and output of inks.

Ink is an important material used for printing of packaging materials. It prints patterns and characters on the substrate. The ink includes main components and auxiliary components. The ink is uniformly mixed and repeatedly rolled to form a viscous gelatinous fluid. It consists of pigments, binders and additives. It is used for various printings such as books, magazines, packaging and decoration.

Ink is a liquid containing a pigment or dye that is used for writing or drawing. Inks include dyes made from metal, walnut shells or seeds, or inks from marine animals such as fish and octopus. China's ink is carbon ink.