Posted on 2020-09-02 13:22:38
As we all know, sublimation transfer paper is a coated paper, made up with two important parts : the base paper and the sublimation coating, which all have contains moisture. When you put the sublimation paper in a environment of dry air and high temperature, the moisture will evaporate. At this time, if the moisture of the base paper and the coating evaporate inconsistently, the paper will curl. The process of the moisture evaporation, we call it ‘scalability’. Once crimped, paper can scratch and damage the printer's sprinkler head.
Therefore, how to solve the curling problem ?
- We adopt high quality sublimation base paper instead of the offset paper.
This type of base paper is made up of nature wood pulp (softwood and hardwood), which fiber is longer, and more flexible than the offset paper. So the better performance and the scalability can help to reduce the possibility of the curl.
- The anti-curl coating. The base paper has two sides, smooth side and rough side. Typically, sublimation printing paper is only printed on one side. Accordingly, the sublimation transfer paper only needs to have the sublimation ink receptive coating on the side that receives and holds the sublimation ink. So the smooth side will be coated with sublimation coating and the rough side can be uncoated.
But, if the paper is only coated on one side, the structure is not stable and balanced, the paper many have an increased tendency to curl. So the second method to preventing curling problem, is to coat the wire side with a functional coating too. The functional coating ,or named as anti-curl coating, could provide the sublimation transfer paper enhanced stability.
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