In terms of structure, the biggest difference between UV ink and traditional solvent ink is that it contains very little or almost no volatile organic compounds (VOCs). Traditional solvent based inks contain at least 50% volatile solvents, which is the fundamental reason why UV inks are environmentally friendly inks. Secondly, UV ink is generally composed of 30-40% of the main resin, 20-30% of active monomers, as well as a small amount of photoinitiators and additives such as leveling agents and defoamers. Both the main resin and the active monomer have reactivity.
| Ink organization |
Solvent ink |
uv ink |
| solvent |
60-70% |
0% |
| resin |
10-30% |
/ |
| Main resin |
0% |
40% |
| monomer |
0% |
40% |
| Photoinitiator |
0% |
5-10% |
| additive |
0% |
5% |
| Solid Content |
30-40% |
100% |
| Pigment content |
15-20% |
5-10% |
Printing industry:
Offset printing: commercial printing, packaging printing (especially high-end packaging, labels, cigarette packs, wine packs), metal printing.
Screen printing: identification signs, electronic product panels, glass decorations, textiles (requiring special UV ink), toys, promotional items.
Flexographic printing: pre printing of labels, flexible packaging, folding cardboard boxes, and corrugated cardboard boxes.
Digital inkjet printing: flatbed printers (universal printers), roll to roll printers (used for advertising, decoration, glass, metal, leather, ceramics, etc.).
Gravure printing: some special applications.
Industrial field: electronic component marking, circuit board printing, medical device marking, automotive component decoration and marking, optical component coating, etc.
3D printing: Light cured (SLA, DLP) 3D printing technology uses UV cured resin (similar to UV ink in principle).
Coatings and coating: UV wood paint, UV plastic paint, UV metal paint, UV varnish, etc.
Crafts and Decoration: Furniture Decoration, Art Glass, Personalized Customized Products, etc.
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