How Sublimation Printing Works: T-Shirts, Fabric, and Tools

Sublimation printing has become one of the most popular and effective ways to create high-quality, full-color prints on fabric—especially for custom t-shirts. Whether you're starting a printing business or just curious about how it works, this guide will walk you through the basics of sublimation t-shirt printing , how it’s done, and the machines you’ll need to get started. What Does Sublimation Printing Mean? Sublimation printing is a digital printing process that uses heat to transfer dye onto materials such as fabric, metal, or plastic. The word “sublimation” refers to the chemical process where a solid dye turns into gas without going through the liquid stage. When heat and pressure are applied, the dye bonds directly to the fabric fibers, resulting in long-lasting, vibrant prints that won’t crack or peel. This process is ideal for polyester fabrics and polymer-coated surfaces. It’s especially popular in the apparel industry for custom sublimation t-shirt printing , sports ...