Heat transfer tape is a thin, heat resistant tape that holds a transfer in place while you press. It stops the design from sliding on hats, sleeves and curved items, and it peels off clean when you use it right. Here's what it is, when it helps, and how to use it with DTF.
- Usual material
- Polyimide film
- Adhesive
- Silicone
- Best for
- Hats, sleeves, curves
- With hot peel DTF
- Pull tape, then peel
What heat transfer tape is
Most heat transfer tape is a polyimide film with a silicone adhesive. You'll see it sold as heat press tape, thermal tape, sublimation tape or Kapton-style tape. It's usually amber or brown and comes in narrow rolls.
Two things make it different from regular tape:
- It handles the heat. Polyimide tape is typically rated well above normal heat press temperatures, so it won't melt, shrink or curl at 300°F to 400°F.
- The adhesive is gentle. Silicone adhesive grips lightly and is designed to release without leaving sticky residue. Masking tape and packing tape can melt, shrink or leave glue behind, so don't swap them in.
What it's for
The job is simple: keep the transfer exactly where you put it until the press closes and the adhesive bonds.
- Hats. A curved front panel wants to push the transfer off center. Tape holds it while you work the press or a hat press over the curve. More in our guide to DTF on hats.
- Sleeves and small spots. Narrow areas give the film nothing to rest on. Tape keeps it from shifting when you close the press.
- Curved and hard goods. Mugs, tumblers and other round items in sublimation get wrapped and taped so the paper stays tight to the surface.
- Exact placement. If a logo has to sit at a set distance from a seam or collar, tape locks in your measurement.
- Sublimation. Sublimation paper can shift as the press opens, which blurs or doubles the image (called ghosting). Taping the paper down is standard practice.
When you don't need it
On a flat shirt front, a DTF transfer usually stays put on its own. The film sits flat and doesn't curl like paper. If you lay it down carefully and close the press straight, tape adds a step without adding much.
Skip it when:
- The print is on a flat front or back with plenty of room around it.
- Your press closes straight down instead of swinging in at an angle.
- You're running lots of flat shirts and speed matters more than the last bit of placement accuracy.
How to use it without residue or tape lines
- Tape the film or paper, not the print. Put tape on the clear border outside the design. Tape over ink can block heat or leave a mark in the print.
- Use small pieces. One or two short strips on opposite edges hold most transfers. More tape means more to remove.
- Keep it flat. Press the tape down so it has no wrinkles or folds. A doubled-over strip is thicker and can leave a pressure line.
- Use a cover sheet. A Teflon sheet or parchment over the top protects your platen and the tape.
- Pull it slowly and low. Peel the tape back along the garment, not straight up, so it doesn't stretch the fabric.
- Test on a scrap first. Different fabrics react differently. A faint mark on one blank tells you to move the tape or use less of it.
If you do see a faint line after pressing on fabric, it's usually a pressure mark rather than glue. A quick re-press with a cover sheet over the area can sometimes relax it. Glue residue is rare with silicone tape, but a lint roller or a fresh piece of tape dabbed on the spot can lift it.
Using heat tape with DTF transfers
This is where timing matters. Infynite transfers are hot peel, which means you peel the film the second the press opens. Tape adds one quick step before that.
- Tape the film border. One strip on each side, outside the printed area.
- Press as normal. Our settings are 300°F, 10 seconds, high pressure, after a 5-second pre-press. Full steps are in our DTF heat press settings.
- Pull the tape fast. As soon as the press opens, remove the tape in a second or two.
- Peel the film hot. Then peel the film right away, low and smooth. If you wait while you fuss with the tape, the film cools and gets harder to peel.
- Post-press. 5 seconds through parchment or a Teflon sheet.
Not sure which peel type you have? Our guide to hot peel vs cold peel DTF covers how to tell. With cold peel film, timing is easier: let it cool, then remove the tape and film together.
FAQ
Can I use regular tape on a heat press?
No. Masking tape, painter's tape and packing tape aren't made for press heat. They can melt, shrink or leave adhesive on the garment. Use heat resistant tape.
Is heat transfer tape the same as sublimation tape?
Usually, yes. The same polyimide tape is sold under both names and works for sublimation, DTF and heat transfer vinyl.
Do I need tape for DTF transfers?
Not on flat fronts in most cases. It helps most on hats, sleeves, curved areas and anywhere exact placement matters.
Can I reuse a piece of heat tape?
Sometimes for a press or two, but the adhesive weakens and picks up lint. A fresh piece is cheap insurance.
Get transfers worth taping down
Our DTF transfers are hot peel, as low as $0.03 per square inch, with no minimums. Orders placed before 1PM PT ship the same business day.