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Sublimation Printing on Promotional Products
Sublimation printing is a process that uses heat to transfer dye onto a medium such as a plastic card, paper, or fabric made promotional products. It is called 'Sublimation' because the dye transitions between the solid and gas states without going through a liquid stage. The most common process lays one color at a time, the dye being stored on a cellophane ribbon that has each color on a separate panel. After the printer finishes covering the medium in one color, it winds the ribbon on to the next color panel and partially ejects the medium from the printer to prepare for the next cycle. The entire process is repeated four times in total: the first three lay the colors onto the medium to form a complete image, while the last one lays the laminate over top. This layer protects the dye from smudging or melting when handled or exposed to warm conditions. Dye-sublimation printing process is primarily used to print on polyester or other synthetic fabric promotional products. It is used for many applications such as trade show banners or table covers, t-shirts, swimwear, sports jerseys and flags.