Dye-Sublimation Printer Definition for the Clothing & Textile Industry
Dye Definitions  Textile Printing  Printing Equipment

A dye-sublimation printer is a computer printer which uses heat to transfer dye onto materials such as a fabric.

The dye-sublimation printing process is used to print on polyester or other synthetic fabrics. It is used for applications such as T-shirts, banners, table covers, id cards, sportswear and flags. The original printers were an electrostatic technology using toners but now are generally large format inkjet printers using specially formulated inks. The dye sublimation inks are a disperse dye suspended in a liquid solvent, like water. The images are initially printed on coated heat-resistant transfer paper as a reverse image of the final design, which is then transferred onto polyester fabric in a heat press operating at a temperature around 180 to 210 C (375 F). Under high temperature and pressure, the dye turns into a gas and permeates the fabric and then solidifies into its fibers. The fabric is permanently dyed so it can be washed without damaging the quality of the image.

Colors can be extraordinarily brilliant due to the bonding of the dye to the transparent fibers of the synthetic fabric, truly continuous tones can be achieved that are equivalent to photographs, without the use special techniques such as half-screen printing, and the image can be printed all over the entire item, with no difficulty in printing all the way to the edges.

What is sublimation? The sublimation name was first applied because the dye was considered to make the transition between the solid and gas states without going through a liquid stage. This understanding of the process was later shown to be incorrect, as there is in fact some liquefying of the dye. After that discover, the proper name for the process became to be known as dye-diffusion.  However, the discovery has not yet eliminated the original name from use in the textile or fashion industry.  Many people still refer to the process as dye sublimation rather than dye-diffusion.

Many consumer and professional dye-sublimation printers are designed and used for producing photographic prints.

Advantages of dye-sublimation over other methods of textile printing: images are permanent and do not peel or fade, dye does not build up on the fabric.

Again sublimation dye is for "synthetic" fiber.

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