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Feb 1, 2007 12:00 AM


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TECH THOUGHT NO. 2
By Raymond J. Prince

There are many reasons for a strong trend toward UV for sheetfed lithographic presses.

The major drivers are:

  • Instant cure.
  • High gloss.
  • Smooth dull coatings.
  • High rub resistance.
  • Good ink adhesion.
  • Ability to print on many plastics.
Now, let’s consider some frequently overlooked benefits when discussing UV or hybrid UV:
  • Little or no spray powder is required.
  • Less spray powder means electrical components will last longer.
  • Less delivery maintenance.
  • Longer press life.
  • Brilliant process color on uncoated stock.
  • Excellent black-and-white halftones.
Going full UV or hybrid UV depends on many factors. You must match the technology with the product, the customer and the plant. This is not a simple decision—avoid cookie cutter answers.

The old stigma of UV is gone today, the printed stock can be recycled and many consider the technology to be a “green” technology due to virtually no retained solvent.