The difference between pigment ink and dye ink
[Office Partner Information Channel] Many units are using large format printing equipment. Design, mapping, graphics and so on are inseparable from our plotter. So, in the process of using, do you have to know what ink is used in your device?
Pigment ink
Pigment inks are a collection of molecules whose smallest unit is much larger than the molecular diameter of dye inks, ranging from 50 to 200 nanometers, usually in the form of opaque liquids. Pigment ink is a bit of an image, which is powdery ink. Of course, this is just an image and it is not accurate enough. To be precise, it is a solid pigment that is ground into very fine particles and dissolved in a special aqueous solvent. It is a suspension solution or a semi-solution, which is the same as the pigment of our dyed clothing. Contrary to the principle that the dye ink penetrates into the medium to form a color, it is colored by the color material attached to the surface of a medium such as copy paper or printing paper.
Therefore, under the influence of external corrosion, only the outermost molecular structure will be destroyed first, and the structure inside will not be easily damaged. After the outer layer of molecules is destroyed, fading will occur. For the printing color, due to the polymer of the outer layer of the pigment ink, it can not display the color color and vividness of the color well, even if it is printed on paper with flat surface such as glossy paper, it can not print glossy. The image comes, which is why the things printed with pigment inks are generally dull.
Advantages: waterproof and light resistant.
Disadvantages: Large particles, it is easy to cause plugging, the printed image is not good color, not bright.
Dye ink
Dye ink is a molecular-level fully soluble ink, generally 1~2 nanometers in diameter. This ink is a complete composite solution with a low probability of blocking the ink head. It is easily absorbed by the material after printing and printed on smooth and smooth paper. It has a good performance on light emission, so the color reproduction ability is relatively strong, the printed image is colorful, and the cost is low; but since the dye ink is not protected by a layer of polymer like the pigment ink, it is in the Under harsh conditions, molecules are easily decomposed and cause discoloration.
Advantages: The nozzle is not blocked, and the printing is bright and colorful.
Disadvantages: It is easy to fade when it is directly exposed to sunlight or soaked in water.
How to choose between two inks
After introducing the characteristics of the two inks, let's analyze how the traders who use the ink cartridges with the nozzles should choose when adding ink.
First of all, we need to consider the maintenance of the nozzle, the use of pigment ink, the probability of nozzle clogging will be much larger than the use of dye ink, which is very likely to cause the user who wants to use ink to reduce costs Cost
Secondly, in terms of printing pictures, dye ink has obvious advantages in color expression than pigment ink. Personally, if the period of use of pictures is not long, bright colors are more valuable than dim!
Again, the problem that the dye ink can not be waterproof can be solved by other methods, such as applying a layer of transparent glue on the picture, or directly over-molding (generally available in a print shop or photo processing shop), as well as Waterproof and stored for a long time.
Therefore, dye ink is the best choice for users who add ink. However, it is necessary to remind everyone that the quality of dye ink on the market is also uneven. Choosing good dye ink is the protection. Your ink cartridges and printers get better image color and more economical practice.
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