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Dye-Based Sublimation Ink is composed of single molecules with specific chemical structure, the smallest unit is only 2 nanometers. The colorant of the dye ink is a dye dissolved in water or an organic solvent, and the dye molecules are completely dissolved in the solution. The ink is a transparent liquid.

We learned from the Resistant Sublimation Ink Suppliers that pigment inks are aggregates of molecules with larger particles of 150-500 nanometers. Pigment ink colourants are water-insoluble pigments, suspended in water by means of dispersants, and are opaque liquids.

The respective advantages of dye ink and pigment ink

HP dye inks use specially designed colorants and other key ingredients to maintain a wide color gamut, achieve rich, bright colors, and excellent, outstanding image quality.

Water-Based Dye Ink For Epson uses HP's proprietary technology to provide bright and bright colors, clear and sharp black and outstanding durability, including waterproof, anti-fading, long-term storage, prevent printing jams, extend the life of the print head and so on.

Dye ink and pigment ink performance

The colorant in the HP dye ink is completely dissolved in the ink in a single molecule. The colorant particles are small and soluble in water, fire and other chemical solvents, making the dye ink less likely to block the nozzle and print smoothly. However, after the printed manuscript meets water, the colorant fixed on the medium will dissolve again, which may cause ink bleeding.

Hewlett-Packard pigment inks use a multi-functional special polymer binder, which allows the pigment to have strong adhesion and allows the print head to stabilize inkjet without clogging. After the ink is dried, the adhesive will form a durable protective film on the surface of the pigment, which can effectively waterproof.

The colorant of the dye ink is directly exposed to the air. 

Under the action of light and ozone, the chemical chain of the dye colorant may be broken, causing the colorant to change color and other phenomena, which will cause the print to fade, thereby affecting its preservation performance. Pigment ink colorants are generally highly crushed minerals with high stability, and the outer layer of the colorant is covered with a resin layer, which is not prone to fading.

HP dye ink, with a unique formula, can quickly achieve color stability, with bright colors, wide color gamut, strong reduction and other characteristics. Printing with dye ink can minimize the phenomenon of metamerism and maintain superior image quality, the printed photos can be dried quickly, the colors are more realistic, bright and beautiful.

HP pigment ink is easy to be absorbed by the medium when printing, the color reproduction ability is strong, the printed text is clear and sharp, and the image is colorful. The printed photos have a long drying time, slightly darker colors, and a little graininess, but they can be stored for a long time and last forever.