The short version (if you only read three sentences)
- Fabric is polyester (≥65%), or you print coated rigid items such as mugs, tiles and metal panels → go sublimation. No added hand-feel, most vivid color, lowest unit cost.
- Fabric is cotton, blends, canvas, denim or leather, or your orders are "small batches, many designs, dark garments" → go DTF. It does not care what the fabric is.
- A factory taking both kinds of work, with a mixed order book → run two machines; don't expect one machine to do everything. That is where almost everyone ends up.
1. How they work: one dyes into the fabric, the other bonds onto it
Sublimation (dye sublimation)
The workflow: the print head lays disperse dye ink onto transfer paper → heat press at 180–200°C → the dye vaporizes and penetrates the molecular gaps of the polyester fibers or the pores of the coating → it fixes inside the material as it cools.
The key word is vaporize and penetrate. The finished print therefore has three properties:
- No added layer on the surface — the hand-feel is the fabric itself, which is its biggest selling point
- Extremely smooth color transitions; photo-grade gradients are no problem
- Wash- and rub-resistant, because the color sits inside the fiber rather than on top of it
The trade-off: disperse dyes can only bond with polyester fibers and specific coatings. Cotton fibers have no sites for the dye to penetrate, so the result is loose surface color that washes straight out.
That is the technical reason "sublimation can't print cotton" — it is not a machine limitation, it is chemistry. Any claim that "some machine breaks through this" deserves suspicion.
DTF (Direct to Film)
The workflow: print the design onto a PET transfer film (white ink base → color ink on top) → apply hot-melt adhesive powder (TPU) → dry → heat press the whole layer onto the fabric.
The key words are white ink base + adhesive powder bonding. The finished print therefore:
- Works on fabric of any color; dark garments need no pre-treatment because the white ink layer is the base
- Works on any fabric: cotton, polyester, blends, denim, canvas, leather, even some coated fabrics
- Needs no screens or plates — from 1 piece, and changing the artwork costs nothing
The trade-off: there is a slight adhesive-layer hand-feel (premium film plus premium powder gets close to unnoticeable, but it is still not the "zero added layer" of sublimation); wash durability depends heavily on powder quality plus press temperature, pressure and time — wrong parameters cause cracking and peeling.
In one line: sublimation dyes the color into the fabric; DTF bonds the design firmly onto it.
2. Fabric compatibility: the whole picture in one table
| Fabric / substrate | Sublimation | DTF | Notes |
|---|---|---|---|
| Polyester ≥65% (sportswear, flags, cushions) | ✅ Best | ⚠️ Possible | Sublimation wins on hand-feel and cost |
| Cotton (T-shirts, hoodies, tote bags) | ❌ Cannot | ✅ Best | Sublimation dye cannot fix to cotton |
| Cotton/polyester blend (50/50) | ⚠️ Washed out | ✅ Recommended | The less polyester, the paler the sublimation |
| Dark fabric | ❌ No white ink | ✅ Best | DTF's white ink base is the killer feature |
| Denim / canvas / leather | ❌ | ✅ | Where DTF's versatility shines most |
| Coated rigid items (mugs, tiles, acrylic, metal panels) | ✅ Best | ❌ Not suitable | Sublimation's exclusive territory |
| Light polyester + large volume of one design | ✅ Best | ⚠️ Higher cost | Sublimation has the lower cost per piece |
| Small batches, many designs, frequent artwork changes | ⚠️ | ✅ Best | DTF needs no screens or plates |
Read this table twice — 80% of your equipment choice is already settled here.
3. Cost per piece: don't just compare machine prices
The mistake newcomers make most often: comparing equipment quotes instead of total cost per piece. Equipment is a one-off investment; consumables burn money every day.
Based on mainstream 2026 domestic consumable prices (full-coverage printing, order-of-magnitude reference only; actual figures move with consumable brand, ink coverage and paper weight):
| Cost item | Sublimation (CNY/m²) | DTF (CNY/m²) |
|---|---|---|
| Ink | 1.5 – 3.5 | 3 – 7 |
| Transfer paper / PET film | 1 – 2.5 | 3 – 7 |
| Hot-melt powder | — | 1.5 – 4 |
| Total material cost | about 3 – 6 | about 8 – 18 |
So DTF looks twice as expensive? The real calculation goes like this:
- For a cotton T-shirt with an A4-size design, DTF materials cost roughly CNY 1–3, while the retail price is typically CNY 40–120 (higher when exported). Materials are a single-digit percentage.
- Sublimation sportswear also has very low material cost — but it cannot take your most profitable cotton T-shirt orders.
- What DTF really removes is the cost of changing the artwork: one screen for traditional screen printing costs several hundred yuan, so small orders are simply refused. DTF has no plate fee and takes single pieces — the critical flexibility in custom cross-border work.
If your orders are "small batches, many designs, mixed fabrics", DTF's slightly higher unit cost is entirely acceptable, because it lets you take the order. An order you cannot take costs you nothing.
4. Cross-border reality: the 6 things overseas buyers actually ask
Foreign trade and domestic trade get completely different questions. These six come up most often:
1. How many washes does it survive?
Polyester sublimation prints show no obvious fade after 50+ normal washes; DTF with correct parameters lasts 30–50 (depending on film/powder quality and press settings). Never promise a customer "it never comes off" — stating the test standard (such as the ISO 105-C06 wash test) is far more credible.
2. Are the certifications in place?
EU customers ask for REACH / SVHC reports, apparel brands ask for OEKO-TEX Eco Passport (for inks and hot-melt powder), and children's products in the US require CPSIA. Confirm before you quote whether your consumables have these reports — it is the door into a brand's supply chain, not a bonus point.
3. Shelf life and shipping conditions for the transfer film?
DTF film hates humidity and heat, so sea freight must use moisture-proof packaging. This directly decides whether you can run the asset-light model of "print film at home → ship overseas → customer presses locally".
4. Can I buy consumables only?
Overseas buyers are sharp; many want just film plus powder because they already own a heat press. That is the entry point for repeat consumable sales and the most stable cash flow.
5. Voltage and plugs.
You must be able to supply both 220V/50Hz and 110V/60Hz, with plugs matched to the destination country. Don't let a customer discover at unboxing that the plug doesn't fit.
6. Drivers and RIP software.
Is there an English interface, and can the customer load their own ICC profiles? This directly determines how fast they get up and running.
5. Choosing a machine: watch these 5 specs
Before you buy, take this checklist to your supplier and ask for data, not adjectives:
| Spec | Why it matters | Reference benchmark |
|---|---|---|
| Print head model and count | Sets speed, stability and long-term maintenance cost | Epson I3200 series is the industrial first choice; 2–4 heads is common for sublimation |
| Maximum print width | Determines which orders you can accept | 1.8m is the mainstream commercial width, covering apparel, flags and home textiles |
| Real throughput (by pass mode) | Don't look only at top speed; look at throughput at a given pass count | For example about 80 m²/h at 4-pass, typical for a four-head 1.8m machine |
| White ink circulation / stirring | Settled DTF white ink is the biggest source of breakdowns | A DTF machine must have white ink circulation, or you will be clearing clogs daily |
| Media feed tension and heating stability | Decides whether long runs finish without fabric drift | Choose a model with automatic tension control |
One real configuration: the FLY-1804TX is a sublimation machine with 4 Epson I3200-A1 heads, a 1.8m width and about 80 m²/h at 4-pass. That setup matches the throughput tier of a "medium apparel or home-textile factory producing several hundred square meters a day".
Remember the order of selection: define your daily output requirement first, then work back to the configuration. Don't let the spec sheet lead you around.
6. The four most common misconceptions
Misconception 1: one machine can handle every fabric.
It cannot. Sublimation and DTF follow completely different chemical paths, and no single machine does both. So-called "universal machines" usually cram two functions into one frame, and both stability and maintenance suffer.
Misconception 2: look only at the cheap machine, ignore consumable lock-in.
Some low-price machines use chipped cartridges or proprietary consumables: twenty thousand cheaper up front, a hundred thousand more per year in consumables. Before signing, ask clearly: can I use third-party ink? Is there a chip lock?
Misconception 3: underestimate white ink maintenance.
Leave a DTF machine unflushed for a day and the heads may clog the next morning. White ink circulation + daily moisturizing + periodic flushing are mandatory. When you do the math, count "15 minutes of labor a day".
Misconception 4: assume printing is the whole job, and ignore the pressing process.
Half of DTF success is in the heat press: 150–160°C, 10–15 seconds, even pressure. On the same machine, wrong press parameters can triple your complaint rate. When you sell equipment, the press profile has to be delivered with it.
7. When to run two machines
If you meet any two of these, it's time to consider two machines:
- Cotton orders and polyester orders are each more than 30% of your work
- More than half of your daily orders are single pieces or small batches, while you also have regular high-volume sportswear customers
- Your customer base includes both "apparel customization" and "mugs / building materials / gift customization"
Two machines are not about doubling capacity; they are about your quotation covering every enquiry. In cross-border business, when a customer asks "can you do this?" and you answer "yes", the order stays with you.