All plotter manufacturers recommend installing the plotter in rooms where there is constant temperature and humidity control, for rapid drying of the ink. This is because sublimation paper swells up when it is very wet, running the risk of being touched by the heads on the printing carriage, which would completely ruin the job.
It is also advisable to leave the rolls of paper for at least 24 hours in the room where they will be used, possibly in a vertical position for them to acclimatise to optimum room conditions.
The best fibre for dye-sublimation printing is polyester because it offers the best reaction to the thermal shocks caused by the high temperatures that can reach up to 215°C and the residence time that can often reach well over 60 seconds. It is important to follow the manufacturer’s instructions and advice with due care when handling or moving the equipment on account of the high temperatures and potentially dangerous operating conditions that demand your complete attention throughout the production process.
The calender machine enables roll to roll fabric processing and the use of practically any type of fabric including woven or knitted fabrics, as well as stretch yarns, non wovens, rugs with low pile. For higher piles, such as carpet, flat presses (especially aspired versions) produce more in-depth absorption of the ink. They are generally used for transfer printing on fabric pre-cut to the required shape, and this is called “garment-laid print”
Bear in mind that every fabric has its own properties and must be tested to define how it should be worked, and that every batch can give a different end result. Therefore, it is always wise to do a quality test run before starting actual production, even if you are using the same fabric/design.
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