Question
What inks does flexographic printing use?
Answer
Flexo runs several ink chemistries, and the right one depends mostly on the material you are printing and where the finished product will be used.
| Ink type | Best for |
|---|---|
| Water-based | Paper and cardboard, including corrugated |
| Solvent-based | Plastic films and foils |
| UV-curable | Many substrates, with instant curing |
- Substrate is the first factor: porous paper takes water-based ink well, while non-porous film needs solvent or UV.
- End-use matters too, since food-contact packaging must meet safety and migration rules.
- UV inks cure instantly under light, which supports fast, high-gloss runs.
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