Solvent inks are inks that use a solvent as the pigment carrier which evaporates once applied to the substrate. The solvent carrier is necessary as the medium is usually a type of adhesive or glue that literally sticks to the surface of whatever is being printed on.

Epson GS 6000 solvent printer.Solvent based inks have been used primarily in the signage markets but have recently seen increased use in fine art printing with the introduction of the Epson GS series printers.