UV Ink Composition, Characteristics And Curing Factors
The composition of uV ink is mainly composed of pigment (Pigment), quasi-polymer (Oligamer), monomer (Monomer), photoinitiator (Photoinitiator), sensitizer and auxiliary (Filler), etc., a traditional Strong Adhension Solvent Ink will be composed of varnish oil, solvent type and other ingredients. This also determines that there is a big difference in the characteristics of the two.
Generally speaking, there are the following 12 points:
1. No need to spray powder;
2. Dry immediately, but need to be irradiated with ultraviolet light source to dry;
3. No UV light does not crust, so there is no crust in the ink tank;
4. The ink does not contain solvent;
5. Printable non-absorbent printed materials;
6. The ink film is uniform and has better anti-friction properties;
7. Before being irradiated, it will not dry on the printer or on the plate;
8. It will change under high temperature and humidity and should be stored below 40°C;
9. Can not be mixed with general ink;
10. Thinners and cleaning agents must be dedicated for UV, and cannot be confused with other cleaning agents;
11. Not all materials of Uv Ink are universal, and its adhesion must be tested individually according to the ink of different properties;
12. UV is a kind of chemical line, the wavelength required for ink drying must be close to the UV wavelength, otherwise the drying benefit cannot be achieved
The drying time of uv ink is generally affected by the following factors:
1. The thickness of uv ink;
2. Different types of printed materials;
3. The printing speed of the machine;
4. Type of UV reflector;
5. UV lamp intensity.
If necessary, please contact the Ink Supplier
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