How to judge the quality of sublimation ink?
Criteria for judging sublimation inks include:
1. environmental protection features
Because digital printing products will touch the skin, many are also used for export, the demand for environmental protection is high, so sublimation ink is necessary water-based (water base) ink.
2. color fastness
Color fastness, including washing fastness, dry rubbing fastness, soaping fastness, etc., color fastness is also an important measure of the role of printing norms, (that is, no fade), usually, the use of excellent printing ink printed products, Color fastness at 3-4 levels.
3, fluency
Sublimation ink should do Nanoscale filter, less impurities in the ink, ink molecular weight is small, adjust the appropriate physical and chemical parameters according to the printing machine, so as to ensure long-term printing successive printing. Fluency is the fundamental quality of ink to ensure that poor fluency means that the printing process will show the status of ink, affecting the role of the final product.
4, color saturation
The color of the printed goods is beautiful, can reach or even beyond the traditional printing color, so it is also an important measure of ink norms.
5. storage stability
Whether the ink is suitable for a long time storage, storage process will not occur in the chemical or physical reactions caused by deterioration of the ink function.
6. batch differences
Sublimation ink suppliers can supply long, stable, consistent quality of the ink.
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