Viscometers are important pieces for equipment for the ink industry because they ensure consistent colour, print quality, and flow behaviour across every printing process — from flexographic and gravure to digital and screen printing.

The critical roles viscometers play during ink formulation, production, and on‑press control is not to be dismissed. Ink viscosity directly affects how ink transfers from rollers or cylinders, how it wets the substrate, and how it dries. Even small viscosity changes can cause colour shifts, print defects, excessive waste, and costly downtime. Maintaining stable viscosity is therefore one of the most important factors in achieving predictable, high‑quality print results.

Why Viscosity Matters in the Ink Industry?

Viscometers can determine how ink flows through pumps, ducts, anilox cells, and print heads. It influences:

Colour strength and density.

Dot gain and sharpness.

Ink transfer efficiency.

Drying speed and solvent balance.

Print uniformity and repeatability.

Ink viscosity changes continuously during printing due to solvent evaporation, shear forces, and temperature rise. When viscosity increases, colour becomes stronger and ink transfer becomes heavier; when it decreases, colour washes out and print quality suffers. This makes viscosity measurement essential for maintaining consistent output.

How Viscometers Support Ink Production & Printing?

Viscometers are used throughout the ink industry for:

Ink formulation – ensuring correct pigment‑binder‑solvent ratios.

Quality control – verifying batch consistency before shipping.

On‑press viscosity control – maintaining stable colour throughout long print runs.

Solvent management – automatically adjusting solvent levels to compensate for evaporation.

Process optimisation – reducing waste, downtime, and manual adjustments.

Modern inline viscometers provide live viscosity readings every second, allowing printers to make immediate corrections and maintain tight tolerances. This leads to fewer rejects, fewer customer complaints, and more efficient production.

Laboratory and manufacturing based viscometers provide crucial data for both the development and quality control of inks and printer technologies.

 Why Your Ink Business Needs a Viscometer?

A viscometer is more than a measurement tool — it is a key driver of print quality, efficiency, and cost control. By integrating accurate viscosity monitoring into your ink production or printing workflow, you can:

Maintain consistent colour from start to finish.

Reduce ink waste and solvent usage.

Minimise press stoppages and cleaning.

Improve print sharpness and uniformity.

Increase overall production capacity.

Our NuLine cone and plate viscometer is the ideal viscometer to monitor and research the viscosity of your ink production. With different cones, an RPM range up to 900 and temperature controlled hotplates – the Nuline viscometer can provide you all the important data you need when manufacturing your ink.