The difference between waterbased ink and oil-based ink

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The difference between waterbased ink and oil-based ink

eco solvent ink


Oily inks are pigments that are diluted in oil, such as mineral oil, vegetable oil, etc., and the ink is adhered to the medium by penetration and evaporation of oil on a printing medium. The aqueous ink is water as a dispersion medium, and the ink adheres to the medium with the aid of penetration and evaporation of water on the printing medium.

Photo industry inks are distinctive according to their use. They can be divided into two types: one is water-based ink, and water and water-soluble solvent are the essential components of the dissolved coloration base. The other is an oily ink which is a water-insoluble solvent as a primary factor of a dissolved chromophore. According to the solvent solubility, it can be divided into three types. First, the dye kind ink. It is a dye-based ink that is presently used in most indoor picture printers. Second, the pigment ink, which is a pigment-based ink, is used out of doors inkjet printers. Third, eco-solvent ink, between the two, used in outside photograph printers.


In particular, these three inks cannot be mixed. Water-based machines can solely use water-based inks. Oil-based machines can only use eco-solvent inks and solvent inks. Since the laptop is installed, the water-based desktop and the oil-based machine have one of a kind ink cartridges, pipes, and nozzles. Therefore, the ink can't be used indiscriminately.
eco solvent ink

There are 5 principal elements affecting ink quality: dispersant, conductivity, pH, surface tension, and viscosity.


1) Dispersant: It is a variety of surfactants. Its function is to enhance the bodily properties of the ink surface and beautify the affinity and wettability of the ink and the sponge. Therefore, the ink which is commonly saved and transmitted through the sponge incorporates a dispersing agent.
2) Conductivity: This fee is used to reflect the degree of salt. For better exceptional material inks, the salt content material need to no longer exceed 0.5% to keep away from crystal formation in the nozzle. According to the particle dimension of the pigment, the oily ink determines which nozzle to use. The massive jet desktop 15pl, 35pl, etc. is the groundwork for finding out the accuracy of the inkjet printer in accordance with the particle size. This is very important.
3) PH value: refers to the liquid pH, the extra acidic the solution, the lower the PH value, and conversely, the greater the alkali the solution, the higher the PH value. To prevent ink from eroding the nozzle, the pH has to typically be between 7 and 12.
4) Surface tension: It can affect whether or not the ink can structure droplets. The higher great ink is low viscosity and excessive surface tension.
5) Viscosity: the resistance of the liquid flow, the viscosity of the ink is too large, which will interrupt the ink provide all through the printing process; the viscosity is too small, and the ink head will drift throughout the printing process.

The ink can be saved for 3-6 months at everyday room temperature, too lengthy or precipitation, which impacts the use or plugging. Ink renovation requires sealing, warding off direct sunlight, and the temperature should not be too excessive or too low.

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