The Screen Print Column
Choosing the right ink for every job
It is essential to pick the right tool. In this column, Beppe Quaglia, CEO and president of Virus Inks explains the ink choices and which one is best.
I
n textile screen printing, ink is more than just colour on fabric, it is the physical medium that defi nes hand-feel, durability, compliance, and even energy consumption.
For experienced printers, the challenge is not whether to use plastisol or water-based, but how to make the right choice for each specifi c job. Every print run involves balancing speed, effect, sustainability, and customer requirements. The ability to select the correct ink system is what separates good printers from great ones.
Plastisol inks: Productivity and stability Plastisol has been the workhorse of textile screen printing for decades. It is stable, easy to print, and forgiving on press. Because plastisol does not dry in the screen, long runs are safer with less downtime. Its opacity is excellent, making it ideal for printing on dark garments. Advantages: unmatched productivity, wide process window, high coverage. Limitations: plastisol requires heat cure, leaving a heavy hand and limited breathability.
Environmental compliance is also an increasing concern, with many brands reducing or banning PVC-based formulations. When to choose: high-volume production, sportswear logos, or when consistency is more critical than hand-feel.
Water-based inks: Soft hand and eco credentials Water-based inks are increasingly seen as the future of textile printing. They deliver a soft hand, vibrant colours, and are compliant with major ecological standards. Modern high-solid acrylic (HSA) systems have solved many of the problems of older water-based formulations, offering improved opacity and wash fastness.
Advantages: breathable prints, fashionable soft touch, environmentally friendlier chemistry. Limitations: greater sensitivity to drying in the screen, higher demands on mesh preparation and curing. Printers must manage humidity, screen tension, and drying capacity more carefully. When to choose: fashion printing, retail-quality garments, and eco-conscious projects where brand compliance demands PVC-free inks.
Discharge inks: Vintage and true fabric feel Discharge inks chemically remove the garment dye and replace it with pigment, creating designs that feel like part of the fabric. The result is an ultra-soft, vintage-style print that cannot be replicated with plastisol or standard water-based systems. Advantages: unparalleled hand-feel, bright colours on dark cotton garments, no ink build-up.
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Limitations: limited to 100% cotton fabrics, results vary depending on fabric dye, and shelf life is short
Picking the right ink for the job
once activated. Discharge also requires careful ventilation and compliance monitoring. When to choose: fashion and streetwear markets demanding vintage aesthetics, large, solid areas without ink fi lm.
Specialty inks: Eff ects that stand out Beyond standard systems, specialty inks open creative possibilities. Metallics, high-density gels, puff additives, luminescent pigments, or conductive inks expand screen printing into new markets.
These inks require precise mesh selection, stencil thickness, and curing control to achieve reliable effects. Advantages: unique textures and visual impact that cannot be matched by digital printing. Limitations: slower printing, higher cost, and greater risk of defects if not handled with expertise. When to choose: premium designs, special editions, fashion highlights, or technical garments with functional effects.
Making the right choice: A practical approach Selecting inks is not about choosing ‘the best’ system, but the most appropriate one for the task.
What to consider Substrate: Cotton, polyester, blends, performance fabrics Design requirements: Halftones, solid fi lls, or special effects Production environment: Drying capacity, climate, operator skill Brand compliance: Sustainability certifi cations, restricted substances lists Customer priorities: Cost, feel, durability, ecological values A simple decision tree can help. If the job is mass production with limited fashion requirements, plastisol remains effi cient. If the project is eco-driven, water-based is the natural choice. If the client wants a vintage look, discharge is unmatched. And if the goal is differentiation, specialty inks provide unique value.
Conclusion
Inks aren’t interchangeable commodities but strategic tools. A successful screen printer must master the technical handling of each system, as well as the judgment of to use which. There is no single ‘right’ ink. Instead it is the one that matches the fabric, the design, the brand requirements, and the client’s vision. By making informed choices, printers can optimise production, improve compliance, and deliver results that elevate both the craft and the business.
October 2025 |71 |
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