What Is DTF Paper? | The Truth About Transfer Film

What is called DTF paper is actually a PET-based plastic film engineered for textile printing, not a paper product. Its micro-porous coating holds water-based pigment inks and hot-melt adhesive powder, enabling vibrant, durable fabric transfers without pre-treatment. This technology is widely adopted in the US apparel industry, with major manufacturing hubs in China supplying film globally. For those ready to start printing, our tested roundup of the best DTF films covers top options today. The term “DTF paper” is a misnomer; the material is a clear, durable plastic sheet with a multi-layer design built for carrying ink and adhesive from printer to garment with precision.

What DTF Transfer Film Actually Is

Standard DTF transfer media uses a multi-layer PET film structure: a clear polyester base, a micro-porous polymer coating that absorbs water-based pigment ink, and a release layer for clean separation during heat pressing. The printable side has a matte finish that accepts ink evenly; the shiny side is non-printable. Printing on the wrong side is a frequent beginner mistake. The material is available in thicknesses measured in grams per square meter, commonly 98 gsm and 120 gsm, with heavier films offering more stability for large designs. This sharpness, combined with printing on dark fabrics without a white underbase, is why DTF has replaced older methods for custom apparel. A niche plastic-free alternative called DTP paper (Direct-to-Paper) uses a recyclable paper base with an FSC-certified coating, replacing PET film entirely, but is not yet widely adopted.

How DTF Transfer Printing Works

The DTF process follows a six-step sequence. First, the design is created in reverse (mirror image) using graphic software — forgetting this is a common mistake. The mirrored design is printed onto the matte side of the film using CMYK plus White water-based pigment inks; standard sublimation or dye inks will not work. While ink is still wet, DTF adhesive powder is sprinkled evenly over the printed image. Applying powder after the ink dries ruins the transfer. Excess powder is shaken off, and the film is cured at roughly 320 to 330 degrees Fahrenheit until the powder melts and bonds to the ink. The cured film is placed print-side down on the garment and pressed at the same temperature for 15 to 25 seconds. After pressing, the film is peeled away — hot or cold peel, depending on film type — to reveal the design, showing clean edges with no adhesive residue. DTF works on cotton, polyester, blends, canvas, leather, hoodies, shirts, hats, and bags, with no fabric pre-treatment required.

DTF Film vs. DTP Paper

For most commercial printers, standard DTF film remains the practical choice due to proven performance and sharp results on blended fabrics. DTP paper is an eco-conscious alternative but limited by higher cost and adoption.