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What's Inside Dye Sublimation Ink?

What is Dye Sublimation Printing?

It's the chemistry behind dye sublimation that makes it the correct technique for printing on polyester and polyester resin coated products. Using a wide-format inkjet printer, dye-sub inks are printed on a special transfer paper. From there, the ink is heat transferred from the paper onto a fabric by using a heat press. The ink changes from a solid to a gas (hence the term “sublimation”) and enters the polyester fibers.

The polymers in the polyester bond when heated, which allows the graphics to quickly become permanently embedded into your materials. As a heated gas, the ink becomes fully infused into the fabric instead of just printed on the surface, resulting in long-lasting, high-quality products.

 

Dye sublimation ink is used in a special printing process that allows the ink to permeate the surface of the object being printed rather than just sitting on the surface. The ink is specially designed to allow the sublimation process to take place, but what is in the ink that allows this to happen? Below is a breakdown of what is actually in dye sublimation ink.

 

Dye sublimation ink


Types of Dye Sublimation Ink

Before we can detail what dye sublimation ink is made of, we must first explain about the two main types of ink. The first type of dye sublimation ink is solvent — solvent ink is an oil-based dye sublimation ink, in which the pigment is suspended in some type of oil. The other type of ink is aqueous, where the pigment is suspended in water. Water based inks are compatible with most inkjet printers but not grand format printers, and do not require ventilation or produce any odors when being used. However, because the water is absorbed by the paper, it has the tendency to make the sublimation paper ‘cockle’ which can affect the final design. Solvent dye sublimation inks do not cockle the paper, and work with most grand format printers, however their print density is lower, which can affect how bright the colors appear in the final product.

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