Composition of Flexo Inks

Flexographic inks differ greatly from inks used in offset or other printing systems. That is why understanding its composition is the fastest way to obtain that differentiation.

What kind of ink does flexo use?

Flexographic inks are divided into three main groups. Base inks Water, base inks solvent and inks Uv for flexography.

Flexo inks components

The ink is composed of several elements such as pigments, resins, solvents and additives. These are mixed very precisely to achieve the objectives desired by the printer.


They are insoluble colorants that provide the color or visual identity of the ink. They also contribute to functional properties such as resistance to fading, opacity or transparency and being more durable. It is one of the most expensive components of ink.


The vehicle components are responsible for carrying the pigment to the substrate and the non-volatile components of the vehicle provide most of the properties of the final ink.

The vehicle is equal to the sum of the resins, solvents and additives.

Vehicle = Resin + Solvent + Additives


The resin system is part of the non-volatile vehicle that is responsible for binding the pigment to the substrate and contributing to the functional properties of the ink.


Solvents are the liquid part of the ink, the main function is to convert pigments, resins and additives (which are solid) into a fluid form capable of being printed.


They improve or modify the performance characteristics of the ink by adding components that others cannot provide.

Additive flexo inks

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