What you should know about sublimation printing on textiles

 What you should know about sublimation printing on textiles  

dye sublimation printing

Digital printing is replacing traditional methods in different branches of the graphics industry. There are multiple reasons for this shift but the main drivers are the cost-efficiency, possibility to personalise prints and the flexibility of these machines.  This is no different in the textile printing business. Traditional screen-printing is replaced by digital textile printing solutions like sublimation printing for shorter production runs and prints that require multiple colours and photographic imagery. The digital alternatives are ideal for the personalisation of prints, which is extremely popular nowadays. What is dye sublimation printing? Sublimation printing is a technique that uses heat sensitive inks. These inks turn into gas under the influence of heat and combine with a 100% polyester medium. Since the ink becomes part of the structure of the material, the images on the fabric don’t fade or crack - even after multiple washings.  

dye sublimation printing
What do you need for it? You need various items to create sublimated textiles including flags, displays, sportswear, fashion, interior decoration and much more. 1. Printer and ink A high-quality printer equipped with dye sublimation inks is essential. The Roland Texart RT-640 is an entry-level printer that is specifically designed for sublimation printing. The RT-640 is available with Texart ink in four (CMYK) or eight colours (CMYK, Lc, Lm, Or and Vi). These inks have many colour-giving elements and are highly concentrated, which is necessary to create beautiful, vivid and crisp images.  2. Software You also need a RIP software to control your printer and to manage your print jobs. ErgoSoft is the market leader in the development of software for textile sublimation and Roland offers the so-called “ErgoSoft Roland Edition” software for free with its Texart RT-640 printer. Therefore, when you invest in an RT-640 printer, you are sure that you also have the ideal software at your disposal to run your machine. It has a perfect colour management and a multi-colour engine (for the Orange and Violet inks).  3. Transfer paper (sublimation paper) To create high-quality sublimation prints, you need a transfer paper that has high ink absorption and dries quickly. The paper needs to stay flat and may not wave after printing. It is also important that the paper releases the ink when heating. The GetWin sublimation transfer Paper  does all that and is therefore the perfect paper for your sublimation prints.  4. Calender Printing is only the first step of the dye sublimation process. For sublimation to take place, you need heat and pressure. Heat presses come in a variation of sizes and shapes, but you need a calender for roll-to-roll sublimation. Roland DG offers the Texart CS-64, a professional calender system that is fast, affordable and easy to use, making it a perfect finishing partner for the Texart RT-640 sublimation printer.  You need a minimum temperature of 180°C for sublimation to take place. Depending on the textile, we advise a temperature of 185 to 200°C and an exposure time of about 55 seconds to simultaneously heat the ink on the transfer paper and the polymer fibres within the substrate, enabling the transfer of ink to media. Please note that you will need to adjust the temperature and/or exposure time when the results are not satisfying. 5. Textile When choosing a textile for sublimation printing, it is important that you take a 100% polyester fabric that is pre-shrunk. This avoids shrinking when heat is applied. Roland DG offers a textile that is perfect for sublimation printing. 6. Protection paper If you use a calender, you also need a protection paper that ensures optimal transfer of the ink onto the textile during the sublimation process and that protects the belt of your calender against ink. The GetWin sublimation transfer Paper is your perfect choice.

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