Choosing an ink type is really a business decision, not a technical one. The right answer depends on what you print, how long it must last outdoors, and how much capital you can put into equipment.
Quick Comparison
| Eco-Solvent | UV | DTF (Pigment) | |
|---|---|---|---|
| Best for | Vinyl, banner, vehicle wrap, signage | Rigid boards, acrylic, packaging, labels | Cotton and blend garments |
| Outdoor durability | Typically 2-3 years unlaminated, longer when laminated | Typically 3-5 years | Not for outdoor use |
| Curing | Evaporation + heat | Instant LED UV cure | Powder + heat press |
| Equipment cost | Low-mid | Mid-high | Low |
| Finish | Matte to gloss, needs laminate outdoors | Gloss or matte, thick ink film | Soft, stretchable |
| Main pain point | Clogging if idle, odour | Higher ink and lamp cost | Powder handling, wash durability |
Eco-Solvent: The Signage Workhorse
Eco-solvent ink is the default for anything that goes on vinyl or banner material. It penetrates and slightly softens the media surface, which is why it bonds so well to self-adhesive vinyl and why it needs a laminated top layer for long outdoor life.
Choose it if: you print signs, banners, wraps, window graphics or vehicle graphics and want a proven, cost-effective process.
Watch out for: idle time. Eco-solvent printers must be run or capped properly – a head left dry is an expensive head. Keep eco-solvent cleaning liquid in stock and never substitute an aqueous cleaner.
UV: Durability and Rigid Media
UV ink cures instantly under LED lamps rather than evaporating, so it prints on rigid substrates – acrylic, PVC board, foam board, wood, glass and even some metals – and it does not dry in the nozzles the way solvent ink does. That makes UV far more forgiving of idle time.
Choose it if: you print on rigid boards, need same-day finishing with no lamination, or want to run a flatbed that does not get used every single day.
Watch out for: ink cost per square metre, lamp and head maintenance, and a slightly raised ink film that is visible on close inspection.
DTF: The Garment Market Entry Point
DTF (direct to film) printing transfers pigment ink onto a PET film, which is then coated with adhesive powder and heat-pressed onto fabric. It handles cotton, blends and dark garments, which traditional DTG struggles with.
Choose it if: you want to enter custom apparel with modest capital, print one-off or small batches, and work with cotton and poly blends.
Watch out for: wash durability depends on the powder and press settings, and hand feel is thicker than screen printing. Use quality DTF pigment ink and a well-calibrated heat press.
How to Decide
- List your top three jobs by revenue. If they are vinyl signs, eco-solvent. If they are rigid or short-run packaging, UV. If they are T-shirts and hoodies, DTF.
- Check idle patterns. A printer that sits unused for days points to UV; a printer that runs daily suits eco-solvent.
- Add finishing cost. Lamination for eco-solvent, powder and press time for DTF, lamp power for UV.
- Do not mix ink types in one machine without a full, professional flush – incompatible residues will clog the head.
FAQ
Can I swap eco-solvent ink for UV ink in the same printer?
Only if the printer is designed for both and you flush the system completely with the correct cleaning liquid. In most cases the answer is no.
Which ink is cheapest to run?
Eco-solvent usually has the lowest ink cost per square metre. UV costs more per litre but saves on finishing. DTF is low cost per print for small garments.
How should ink be stored?
Sealed, upright, out of direct sunlight, roughly 15-30 degrees Celsius. Most inks keep 1-2 years unopened and months once opened.
Buy Ink and Cleaning Supplies
We supply eco-solvent, UV, sublimation and DTF inks plus the matching cleaning and flushing liquids for Roland, Mimaki, Epson, Mutoh and other wide format printers. If you are not sure which ink your machine takes, send us the printer model and we will confirm.