Over the past three decades, digital printing technologies have transformed numerous industries, from textile decoration and packaging to flooring and functional materials. While advances in printhead engineering and digital workflow have played a critical role, the success of industrial inkjet systems still depends heavily on one fundamental element: chemistry.
Ink formulation, substrate interaction and process stability remain central challenges in the implementation of reliable industrial inkjet solutions. The team behind WetDot combines more than 70 years of experience in imaging and industrial inkjet technologies, spanning the transition from analog photographic chemistry to modern industrial inkjet ink development.
The hidden complexity of industrial inkjet
Unlike traditional analog printing technologies, industrial inkjet requires the precise interaction of multiple technical disciplines. Printheads, fluid dynamics, surface chemistry and substrate properties must work together under tightly controlled conditions.
Even small variations in viscosity, surface tension or particle stability can lead to issues such as poor jetting reliability, nozzle clogging, insufficient adhesion or inconsistent colour reproduction.
“For many companies entering industrial inkjet, the biggest surprise is how strongly chemistry influences the final printing performance,” explains Carsten Rühling, Managing Director and co-founder of WetDot. “The ink is not just a colour carrier. It is an engineered fluid designed to interact with printheads, substrates and drying processes in a very specific way.”
Rühling spent more than a decade developing industrial inkjet formulations at Armor / Altkin Industrial Inks, where he worked on ink systems for applications such as dye sublimation, DTF, laminates, flooring, and coding & marking. During this time he developed formulations compatible with a wide range of industrial printheads, including Kyocera, Epson, Konica Minolta, Ricoh and Fujifilm.
From desktop printing to industrial applications
The evolution of inkjet printing has significantly expanded the range of potential applications. Early desktop printing focused primarily on colour reproduction and image quality. Industrial systems, however, must address a much broader set of requirements, including production speed, durability, environmental stability and regulatory compliance.
According to Giovanni M. Manca, R&D Director and co-founder at WetDot, who has worked in imaging and inkjet development for more than three decades, this shift has fundamentally changed the role of ink development.
Manca began his career in photographic chemistry at 3M/Ferrania, where he worked on specialised imaging materials including high-performance photographic emulsions. He later played a key role in the development of desktop inkjet inks at the Armor Group, helping establish the company as a major supplier in the digital printing sector.
“In industrial inkjet, the ink is often the enabling technology,” says Manca. “You must design formulations that perform reliably on very different surfaces, including porous and non-porous substrates, hydrophilic and hydrophobic materials, while maintaining stable jetting behaviour.”
Modern industrial inkjet applications now extend far beyond traditional printing markets and include areas such as:
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textile printing (DTF, dye sublimation)
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decorative surfaces and laminates
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flooring and interior materials
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coding and marking
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functional coatings
Each of these applications places very different demands on ink formulation and process design.
The role of printhead compatibility
Another key factor in industrial inkjet development is compatibility with modern printhead technologies. Industrial systems commonly rely on printheads from manufacturers such as Kyocera, Epson, Konica Minolta, Ricoh and Fujifilm, each of which operates under specific fluid dynamic conditions.
“The interaction between ink formulation and printhead architecture is critical,” explains Rühling. “A formulation that works perfectly with one printhead technology may behave completely differently in another system.”
Achieving stable jetting performance therefore requires careful control of viscosity, particle size distribution, surface tension and long-term chemical stability.
Materials science meets industrial production
The increasing use of inkjet technology in industrial manufacturing has also expanded the importance of materials science. Many modern applications require inks to interact with complex substrates including polymers, coatings, composites and treated surfaces.
Chris Nicholas, Strategic Advisor to WetDot and founder of Smart Chemistry Limited, notes that this trend is opening new possibilities for digital manufacturing. Nicholas has more than three decades of experience in industrial chemistry and inkjet technologies, having previously worked at Kodak, Xennia Technology, and Tonejet, where he was involved in the development of advanced digital printing materials and industrial inkjet systems.
“Inkjet is no longer just a printing technology,” says Nicholas. “It has become a highly flexible materials deposition process that can be used for applications ranging from decorative printing to functional coatings and advanced manufacturing.”
This shift is driving increased demand for interdisciplinary expertise combining chemistry, engineering and process development.
The future of industrial inkjet
As industries continue to move toward more flexible and digitally controlled production processes, industrial inkjet is expected to play an increasingly important role. Water-based ink systems in particular are gaining attention due to their potential advantages in sustainability, regulatory compliance and workplace safety.
However, the successful implementation of these technologies will continue to depend on deep expertise in fluid chemistry, materials science and process integration.
“Inkjet systems are becoming more powerful every year,” says Manca. “But their success still depends on something fundamental: understanding the chemistry behind the droplets.”
