Yes, the sublimation printing process requires polyester. No, it doesn’t have to be gross! But more on that later. In answer to your burning question: How does sublimation printing happen? Simple, right- So why do you need polyester fabric? In step 2 there is a bit more happening than meets the eye. The paper and fabric are being run through a heat press. This is essentially an oven heated up to 400 degrees. While they travel through the rollers a chemical reaction is happening. The water based sublimation ink evaporates from the paper into a gas. The molecules in this gas bond to the polyesterRead More →