How to Press DTF Transfers on Polyester
Yes, you can press DTF transfers on polyester. For our transfers, use the same settings as cotton: 300°F (149°C) with firm pressure. Pre-press the garment for 10 seconds, press the transfer for 10 seconds, peel hot or cold depending on your transfer type, then cover with a Teflon sheet or linen cloth and press again for 10 seconds to seal. On polyester, keep a thin protective sheet between the press and the garment for every press, from the pre-press to the seal. Test on an inside area first, because polyester can scorch or show press marks.
By DTF Transfers Miami · Last updated: October 2026
DTF (direct-to-film) transfers are designs printed on a carrier film with a heat-activated adhesive. You apply them to the garment with a heat press. This guide is for transfers that are already printed, like the ones we print in Kendall and Doral.
Why does polyester worry people?
Polyester handles heat worse than cotton, so two things can go wrong when you press it:
- Scorching and press marks. If the whole area the press touched turns shiny, the heat was too much for that garment. The most common mark is different: a box-shaped outline around the edge of the press. It often looks like overheating, but it can also come from too much pressure, especially on or near seams. A thin protective sheet may help avoid that outline.
- Dye migration. On dyed or sublimated polyester, heat can release dye from the fabric and let it bleed into the print, tinting whites and light colors. Not every polyester reacts the same way: some fabrics bleed and others don't. That risk is why our transfers are not for sublimated jerseys (jerseys whose print is dyed into the fabric).
Many DTF suppliers publish a lower setting for polyester than for cotton, about 270 to 300°F against about 290 to 325°F on cotton, and suggest starting at the low end and working up. For our transfers, 300°F (149°C) is both the setting and the ceiling. It's the same protocol as cotton, and going hotter raises the risk of scorching and dye migration. Use it with the cautions below. If you're pressing another supplier's transfer, check the settings with the supplier of the transfer you have.
Will polyester melt at 300°F? No. Polyester fiber (PET, the most common polyester in clothing) melts at about 255 to 265°C (491 to 509°F), so 300°F (149°C) is far below its melting point. The real risks at the press are the ones above: shine, press marks and dye migration.
What settings do you use for DTF on polyester?
The same numbers as cotton, from our pressing protocol:
| Step | Setting |
|---|---|
| Pre-press | 10 seconds to remove moisture |
| Press | 300°F (149°C), 10 seconds, firm pressure |
| Peel | By transfer type (see below) |
| Seal | 10 seconds under a Teflon sheet or linen cloth, for a matte finish |
Three things to watch on polyester:
- Check the care label. If it says "cool iron" or "do not iron," the garment may not handle a heat press, so don't press a transfer on it.
Check the care label first: "cool iron" or "do not iron" means don't press it. - Use a thin protective sheet. Place a Teflon sheet or linen cloth between the press and the garment for every press, including the pre-press, so the hot press never touches the fabric directly.
- Test first. Press a small design on an inside area, like the hem, before you press the front of the garment, especially on thin performance fabrics. If the test leaves a shiny patch or an outline, contact us before you press the rest.
Press a small test design on an inside area, like the hem, before the full print.
That quick test catches shine and press marks. It can also catch dye migration, but a clean result right after pressing doesn't rule it out, because some polyester fabrics bleed color into the print later. We've seen this appear 3 to 7 days after pressing, especially on red and black fabrics. Test a sample on your fabric and watch for color changes for at least 7 days before pressing the full order.
Hot peel or cold peel on polyester?
Peel timing depends on the transfer, not the fabric:
- Hot peel (wait 3 to 6 seconds after opening the press, then peel slowly at an angle): custom DTF gang sheets, Same-Day DTF Transfers, Hot Peel DTF Transfers, ORGB transfers and Neon transfers.
- Cold peel (let the transfer cool completely, then peel slowly): Affordable/Cold Peel transfers and Glitter transfers. Peeling a cold peel transfer while it is still warm can ruin it.
Not sure which one you have? Check the product name and the printed instructions included with your order.
How to press polyester step by step
- Cover the garment and pre-press for 10 seconds. Lay a thin protective sheet (Teflon or linen) over the garment, then press. This removes moisture and flattens the garment, so the bond is even.
Keep a Teflon sheet or linen cloth between the press and polyester for every press. - Position the transfer. Lift the sheet and place the transfer: printed side facing the fabric, clear film on top. The design should read correctly through the film. For placement and sizing by garment, see the DTF placement guide.
- Put the protective sheet back over the transfer. Teflon or linen between the press and the garment.
- Press at 300°F (149°C) for 10 seconds with firm pressure.
- Peel by type. Hot peel products: wait 3 to 6 seconds, then peel slowly at an angle. Cold peel products: let the transfer cool completely, then peel slowly.
- Seal for 10 seconds. Cover with a Teflon sheet or linen cloth for a matte finish and press again.
- Wait 24 hours before the first wash.
Which polyester garments can you press?
- Performance tees and sportswear: if the label says 100% polyester, use the protocol above. More on DTF transfers for t-shirts.
- Jerseys: the same settings work, but don't press our transfers on sublimated jerseys. The dye migration risk isn't worth it. For team orders, see our polyester team uniforms.
- Hoodies and sweatshirts: cotton/poly fleece presses at the same settings. Put a heat press pillow (a heat-resistant cushion that goes inside the garment and lifts the print area above seams) inside thick fleece, so the pocket seam doesn't leave an uneven bond. More on DTF transfers for hoodies.
- Cotton/poly blends: press like cotton, at the same 300°F (149°C) for 10 seconds. Other suppliers often publish about 290 to 310°F for blends, and settings vary, so check the settings with the supplier of the transfer you have.
- Coated, highly elastic or rough-textured fabrics: these aren't compatible with our transfers.
- Nylon or leather? Do a test press first.
What if the edges lift?
Usually one of three things: moisture left in the garment (if you skip the pre-press, steam weakens the bond), uneven pressure over a seam or zipper, or peeling at the wrong moment for your transfer type.
How long will the print last on polyester?
With proper care, the print is made to last 50 to 100+ washes. Wait 24 hours before the first wash, then wash cold and inside out, skip fabric softener, and tumble dry low. Don't iron directly over the print.
Order transfers for your polyester garments
Upload your print-ready artwork with your order and we print it as uploaded. Check the artwork guidelines first. Pressing several designs for a team or a full kit? Order custom DTF gang sheets, cut each design from the sheet and press it on its own. Standard orders are ready in 24 hours, Monday–Friday.
Pressing cotton or other fabrics too? The full protocol for every garment type is in our main guide: how to press DTF transfers.