Reviews
Part of Apparel screen-printing guide: mesh, stencil, ink, squeegee, registration, cure, and inspection
Textile screen-printing inks compared: water-based, plastisol, discharge and specialty
Textile screen-printing inks compared across film, hand, opacity, garment limits, stencil, mesh, flashing, cure, testing, cleanup, safety, waste, and records.
What to take away
- Ink family names describe broad systems, not interchangeable products or settings.
- Garment fiber, dye, finish, color, surface, and care must be qualified with the ink.
- Water-based, plastisol, and discharge systems form color through different mechanisms.
- High-density and other special effects depend on stencil, deposit, geometry, and controlled cure.
- Product safety, ventilation, cleanup, storage, and waste follow current documents and local requirements.
- Select through printed, cured, and laundered samples on the actual garment.
Ink choice changes color, opacity, hand, print sequence, screen requirements, heat exposure, cleanup, and finished-product claims. A shop should compare complete product systems, not repeat a rule such as "water-based is soft" or "plastisol is durable" without testing.
Comparison table
Ink Families Compared
Water-based
- Design aim
- Low hand
- Key question
- Drying in mesh
- Garment limit
- Wetting, opacity
- Cure concern
- Fixation
- Safety focus
- Not harmless
Plastisol
- Design aim
- Fused film
- Key question
- Deposit and fusion
- Garment limit
- PVC policy
- Cure concern
- Full fusion
- Safety focus
- Heat, waste
Discharge
- Design aim
- Changes dye
- Key question
- Dye response
- Garment limit
- Fiber and dye
- Cure concern
- Activator, wash
- Safety focus
- Ventilation
| Ink family | Typical design aim | Main qualification questions |
|---|---|---|
| Water-based | Dye or binder-based print with low or integrated hand | Drying in mesh, stencil resistance, garment wetting, fixation, opacity |
| Plastisol | Heat-fused film with broad textile use | Deposit, fusion, hand, additives, PVC policy, dye migration |
| Discharge | Chemically changes suitable garment dye, often with added color | Dye dischargeability, fiber, activator, ventilation, wash result |
| High-density | Raised, defined ink structure | Stencil thickness, edge, deposit, flash, full cure, compression |
| Specialty | Puff, suede, foil adhesive, shimmer, reflective, or another effect | Exact product mechanism, print order, care, variability, claims |
Water-based ink
"Water-based" can cover different binder, pigment, dye, and additive systems. Water may be the main carrier, but the safety data sheet and technical sheet determine actual constituents and controls. Do not equate water cleanup with harmless exposure or drain disposal.
Water loss can change print behavior at the screen, especially during pauses or in dry, warm airflow. Match stencil resistance, mesh, flood condition, open time, additives, and cleanup to the exact product. On dark garments, an opaque or underbase system may be needed. Some products penetrate fibers; others form more surface film.
An archived EPA screen-printing facility guidance document distinguishes solvent-based, water-based, UV-curable, and plastisol systems and warns that water-reducible and water-based are not the same. It also discusses ink-system differences in drying and curing. The document is old and broader than apparel, so confirm current chemistry, hazards, emissions, and legal duties from present product and regulatory sources.
Plastisol ink
Plastisol textile inks commonly use PVC resin dispersed in plasticizer and form a fused film through heat. They generally do not dry in the screen through ordinary water evaporation, which can simplify press pauses. That does not remove the need for contamination control, storage, heat verification, cleanup, and waste controls.
Deposit affects opacity, hand, and cure demand. Additives can change viscosity, stretch, gloss, fusion, or other behavior, but uncontrolled additions can move the system outside its qualified range. Dark synthetic garments may need a migration-control plan.
The University of Illinois repository summarizes a PNEAC fact sheet on plastisol ink waste control, describing plastisol as a diverse PVC ink category with variation in opacity, viscosity, application, and finish. That variety supports documenting the exact product rather than treating every plastisol as one formulation.
Discharge ink
Discharge printing depends on a garment dye that responds to the chemistry. Some dyes discharge cleanly, some shift to an unexpected color, and some barely change. Fiber content, dye class, garment finish, over-dyeing, and batch can affect the result.
Record base and activator identity, ratio, mix time, usable life, ventilation and protective controls, fixation, post-wash requirements, and final color. Test every garment color and lot that matters. A supplier's color name does not prove discharge behavior.
When pigment is added, evaluate both the changed garment dye and the deposited color. Inspect the washed result, because the immediate hot print may not represent the final appearance or hand.
High-density ink
High-density printing aims to produce a raised shape with defined walls or surface. The system needs artwork suited to the effect, a thick and controlled stencil, adequate open area, stable deposit, correct flash sequence, and full cure through the ink volume.
More height is not automatically better. Excess deposit can slump, bridge fine gaps, round corners, crack, remain underprocessed inside, or create a harsh garment. Measure height or appearance under a defined method and test flex and care.
Specialty inks and effects
Specialty is not one chemistry. Puff expands; shimmer suspends large particles; reflective systems depend on optical components; foil adhesive must create and retain a bond; suede-like effects alter texture. Each one can change mesh, stencil, squeegee, print order, flash, cure, cleanup, and care.
Request current manufacturer documents. Check whether the effect varies with deposit, heat, pressure, garment color, fiber, or laundering. Avoid claims such as "reflective" or "metallic" without defining what the product and evidence support.
Choose through one trial matrix
Print candidates on coded garments using recorded screens and settings. Compare:
- color and opacity before and after care;
- hand, surface, edge, and fine detail;
- stretch, recovery, adhesion, and abrasion;
- dye movement, scorching, gloss, or distortion;
- press stability and drying in mesh;
- flash and final processing window;
- cleaning method, exposure controls, and waste;
- unit cost, setup, throughput, rework, and shelf or pot life.
Approve only the named ink, components, ratio, garment, screen, sequence, and conditions. A visual pass before cure is not approval.
Common questions
Is water-based ink always softer than plastisol?
No. Product, deposit, garment, underbase, additives, fixation, and care affect hand. Compare finished samples.
Will every cotton garment discharge?
No. Discharge behavior depends heavily on the garment dye and processing. Test the exact color and lot.
Is high-density ink just a thicker normal print?
No. It requires a qualified ink, artwork, stencil, deposit, heat sequence, geometry, and finished-product test.
Can one cure setting cover every ink in a family?
No. Follow the current instructions for the exact product, additives, deposit, garment, and equipment, then verify the finished film.
