Tips and Tricks of Sublimation Production(2)

    Under normal circumstances, a small amount of moisture can accumulate in the
sublimation transfer paper and it’s usually absorbed directly into the substrate during pressing. However, hard substrates, like metal and ceramic, are unable to absorb excess moisture. Thus, it’s important that you take steps to minimize the introduction of moisture into the process.
 
   dye sublimation printingThe first step is to protect the paper from moisture absorption. As a preventative measure, store your paper in a dry place. Consider a sealed container such as a re-sealable bag. If you suspect moisture, set the sublimation paper on your heat press machine for a few seconds. Do not press it; just expose it to the warmth. The heat radiating from the press should help evaporate most of the moisture.
 
   Another trick is to use newsprint or butcher paper instead of a Teflon sheet. The paper will help absorb moisture from the transfer sheet during pressing, whereas Teflon will not. Be sure to use a fresh sheet of paper for each pressing cycle.
 
   If you are working with garments or fabric, it’s also possible that the substrate may contain some moisture. Pre-pressing the garment for about 10 seconds should remove the moisture, as well as any wrinkles. To avoid this problem, keep your paper or fabric in a dry place. If you suspect moisture, try these techniques:
 
dye sublimation printing
 
   Place paper on the raised pedestal bottom of the press and let it dry under the heat platen. Don’t close the heat platen!
Pre-press fabric for 10 seconds before transferring
Use a fresh, non-textured paper towel behind the transfer sheet
 
   Dealing with Humidity
   In addition to being mindful of moisture in pressing, you should also focus on your work environment. High humidity levels usually contribute to moisture issues. A dehumidifier can help control these issues, but reducing it too much can have negative effects on the inks and your equipment.
 
 
   It’s wise to invest in a hygrometer and take some readings. The ideal operating conditions for sublimation are 59°F – 77°F or 15°C to 25°C with above 35% relative humidity (no condensation).
 
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