What is the basis for judging the quality of sublimation inks?

Definition of sublimation ink:

The sublimation ink is a type of heat transfer ink which is first printed on paper and then transferred onto a substrate. According to the sublimation characteristics of the dye after the sublimation of the ink, the ink is sublimated inside the substrate instead of the surface. Under certain conditions of temperature, pressure and time, the ink is sublimated from the printing paper onto the fabric (such as sportswear, non-woven bags, clothing, handicrafts, metal with layers, etc.). The vapor phase sublimation diffusion enters the interior of the fabric to achieve the purpose of coloring.

Criteria for judging sublimation inks include:

1. Environmental protection

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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