Why Ghosting occurs when printing and how to avoid it?
Ghosting is a double image in sublimation transfer. After the transfer process is completed, a light shadow in your T-shirt or other items transferred may occur, that is ghosting.
The adhesive sublimation paper is mainly applied to stretch materials like Lycra, polyester with spandex、polyester with cotton(<30%). There are many advantages of sticky sublimation paper, such as high transfer rate, good drying time, sharp text and fine lines as there is no movement between paper and fabric. But many people are puzzled one problem that why the sticky/tacky sublimation paper dries slower than regular sublimation transfer paper, even though the sticky paper is quick-dry type as well. This doesn’t mean the sticky paper has quality problem.
How does the ghosting comes ? There are mainly three ways :
1).You print something like a T-shirt from which the sublimation transfer paper overhangs a little. When you press, ink from the overhang portion transfers either to the upper or lower platen, depending on how you are pressing the item. Now you put a shirt or anything else under the press, and it comes in contact with the ink that transferred from the previous press, it will ghost onto the new item.
2). You place your dye sublimation paper on a preheated item. As soon as the sublimation transfer paper gets warm, it starts transferring. If you lay the sublimation paper down then move it , ghosting occurs .
3).The third reason that causes ghost is lifting the press up too fast. When we lift the press up, it creates some vacuum, and drop the image back down, causing the ink to transfer to another areas .
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