How does sublimation ink work?
Even though you don’t see the sold color dyes they are floating around in the ink. An image is then printed on a treated paper. From there the paper with the image is placed on the material you wish to print and put in a heat press. The material must be polyester or a polyester treated substrate. When the solid color dyes on the printed image are heated they become a gas and transfer to the polyester. At the same time the polyester expands making it easier for the gas to be absorbed. When they are cooled the dyes return to their solid state, but are now an indelible part of the printed material.
