Production process of water-based ink

The spare color paste, auxiliaries and solvent (water) are stirred and mixed evenly, dispersed through grinding, so as to have sufficient fineness, gloss and coloring power, and filtered and packaged as water-based ink products.

In summary, we choose a variety of different types and varieties of water-soluble acrylic resin, through the comparative test screening of pigments and additives, and acrylate emulsion compounding, adding crosslinking agent, through the orthogonal test of the preferred formulations, developed into a waterborne ink products, through the use of the relevant units of testing to prove that its indicators have reached the level of advanced domestic and foreign products, and get the use of the unit unanimously praised. The main technical indexes are shown in Table 2. Its main technical indicators are shown in Table 2. ① color: similar to the standard version (Note: the test samples and standard samples similarly unconnected with the manual color wheel color contrast);

② fineness: less than 20um, Instrument: 0 ~ 50um scraper fineness meter;

③ viscosity: 20 ± 5s, Instrument: RIGOSHA4 # cup (25 ℃);

④ PH value: 8.0 ~ 9.5 Instrument: portable PH meter (PHB-2 type);

⑤ Heavy metal content: in line with the world's packaging green standards;

⑥ Each resistance: in line with the requirements.