How does UVgel technology influence print speed and overall productivity?
Océ UVgel technology is completely different to evaporative ink technologies such as latex, eco-solvent and aqueous.
Océ UVgel ink is ‘pinned’ to the substrate by virtue of the physical gel characteristic of the ink itself. Every droplet of Océ UVgel ink is pinned instantly upon contact with the media. Once pinned, the UVgel ink drop is fixed to the substrate and dot gain is highly controlled. This is in sharp contrast to evaporative ink technologies, in which the ink drops naturally flow on the media, growing in
size and coalescing with adjacent drops in an uncontrolled way until dried by evaporation of the water or solvent content.
Consequently, evaporative technologies – e.g. 64” latex and eco-solvent technologies – exhibit substantial dot gain and uncontrolled growth on the media. To overcome the challenges of this characteristic, it is necessary to build the printed image gradually, in multiple passes, to minimise the effect of ink coalescence. This has a substantial impact on productivity in higher-quality modes. The natural behaviour of Océ Uvgel technology delivers unprecedented control of dot gain or coalescence of the ink between jetting and curing.
Therefore, with Océ UVgel, the appropriate amount of ink can be laid down in fewer passes, reducing the time required to produce the finished print.
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