Selection skills of sublimation ink
How to judge the quality of digital sublimation ink? Many customers are afraid to believe some of the shopping site products, fear of buying fake quality, bad quality ink. As South Korea INKTEC ink agent, today we will teach you how to judge the quality of ink.
The points of how to determine the quality of digital sublimation ink as belows:
1. Environmental protection function
Because digital printing products will be closer to the skin, many are also used for export, foreign demand for environmental protection is relatively high, so the digital printing of sublimation ink must be water-based ink.
2. color fastness
Color fastness, including washing fastness, dry rubbing fastness, soaping fastness, color fastness is also an important measure of the printing effect of the important norms (that is, do not fade) usually use excellent sublimation ink for printed products, color fastness in the 3-4 level.
3. fluency
Ink need to do nano-scale filter, less impurities in the ink, molecular weight is small, according to the digital printing machine to adjust the corresponding physical and chemical parameters, so as to ensure printing connect the printhead for a long time. Fluency is the fundamental quality of ink, poor fluency means the printing process will show the situation of ink-stop, affecting product quality.
4. Color saturation
The production of printed goods color if bright, meet or even beyond the traditional printing color are also an important measure of ink norms.
5. Storage stability
Whether the ink is suitable for a long time storage, if storage process will cause chemical or physical reaction and caused the ink function deterioration.
6. Batch differences
Ink suppliers can supply long, stable, consistent quality of the ink.
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