Coatings for sheet-fed offset, ink duct

If a printing press is not provided with any coating unit, the use of the ink duct for the coating application is an alternative. Instead of the processing of oil based coatings, high viscosity waterbased coatings are provided for the ink duct.

These coatings are designed especially to the ink duct. Unlike oil based coatings, they are not applied via damping/fountain solution but using a coating blanket. For the optimal distribution in the rollers they are correspondingly delayed in the drying. On the sheet their drying is fast.

The advantage of waterbased coatings out of the ink duct compared to oil based coatings is, among other things, the lower tendency to yellowing and better odor and taste neutrality.

Product program		Properties
High gloss coatings Matt coatings High viscosity to pasty		Good scuff resistance Good block resistance Low tendency to yellowing Odor-neutral

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