How to identify the quality of pigment ink?

Pigment ink, which is a dispersion composed of particles. To put it bluntly, it is the powder solid pigment dispersed ink. Of course, this is just an image and it is not accurate enough. To be precise, it is a suspension/dispersion solution or a semi-solution which is obtained by grinding a solid pigment into very fine particles and dispersing it in water or an organic solvent using a dispersing agent. There are many kinds of paint inks on the market. How to identify the quality? Let's discuss it in detail below.
Ink plays a decisive role in the work of printers, and ink is a part of the many unqualified prints. There are many quality parameter standards for ink, but as long as you master the following two points, you can roughly summarize the quality of the printed ink. The first is the drying time of the ink, followed by the viscosity of the ink. To be authenticated, there must be a standard. It is most convenient and simple to use the original ink as the reference standard.
1. Take one drop of each color instead of water, place it on the non-absorbent material, calibrate the time, and observe the time required for the droplet to dry. If the drying time is less than 100 days, it is best not to use it. If the printer usage is not high, the printing ink with a droplet drying time of more than 100 days should be selected. Once the dye is dry, it is difficult to repair.
2. the printing ink reciprocating has a lower number of times than the original ink, indicating that the water is larger than the original water a viscosity, the viscosity is large, there may be a broken line during printing, and the tension assembly leads to the ink supply into the nozzle cavity. insufficient.
There are two most important criteria for identifying cotton printer inks. One is the purity of the ink, and the other is the fluency of the ink, which is the value of one print length and area. The purity of the ink determines the color saturation and degree of reduction after transfer of the printer print image. The fluency determines the print quality of the direct jet printer and the continuous length of the printing paper (especially when printing printed paper such as clothing and shoe materials cannot be broken and flying, it is not allowed from the production requirements).
Good ink is a must for purity and fluency, which is the most important indicator for identifying good and poor inks. According to the production standard of T-shirt printing machine pigment ink, the general ink dye particle size can not be greater than 0.1 micron, below this standard will be prone to printer plugging phenomenon, the ink quality will be greatly reduced.
In addition to the above two important indicators, the precipitation of inks that affect the quality of inks can also seriously affect the quality and stability of T-shirt printer inks. If the ink is precipitated, it must be shaken and used.
In addition, there is almost no chromatic aberration in the printing of high-quality cotton printer pigment inks, but poor quality inks often have chromatic aberration problems. This is also the reason why the digital printing machine market distinguishes between good and bad inks by advertising image level and clothing printing and dyeing ink.
More info:
Website: www.skyimagepaper.com
Company Name: Fei Yue Digital Technology Co.,LTD
E-mail: sales@feiyuepaper.com
Tel: 86-025-86628894
Whatsapp: +86 18252072197
Address: Central Road 323, Nanjing, Jiangsu, China