Rupa Colour Inks, Chennai Tamilnadu

Printing Inks

Printing Ink is a liquid or Paste containing various pigments and/or dyes used for coloring a surface to produce an image, text, or design. Basically Ink is used for drawing and/or writing with a pen, brush or quill. Similarly Thicker inks, in paste form are used extensively in letterpress and lithographic printing and Thin Liquid inks are Used in Flexo and gravure printing. Screen printing inks will be in a buttery consistency mostly and honey like consistency for few type of applications

Printing Ink is a complex medium composed of solvents, pigments, dyes, resins, lubricants, solubilizers, surfactants, particulate matter, fluorescents, and other materials. The components of inks serve many purposes; the inks carrier(Varnish or Medium or Resin solution or emulsion), colorants(Organic Pigments, Inorganic Pigments or dyes), and other additives are used to control flow, Drying, Rheology modification and thickness of the ink and its appearance during or after dry state.

Ink is used to mark or decorate parts. It come in different chemical families to match the type of material to be printed (please consult the substrate compatibility chart for selection).
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