Printing Processes

  • offset lithograpghy
  • flexography
  • scrren printing
  • gravure
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  • Created by: daniella
  • Created on: 02-05-12 13:28

Offset Lithography

Advantages:

  • good reproduction quality (especially photographs)
  • inexpensive
  • high printing speed
  • available

Disadvantages:

  • paper can stretch cause by dampening
  • set up costs are uneconomic
  • used only on flat materials
  • requires a good quality surface
  • colour variation

Applications:

  • brochures
  • posters
  • magazines
  • newspapers
  • stationery
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Flexography

Advantages:

  • high spped printing process
  • inks dry fast

Disadvantages:

  • difficult to reproduce fine detail
  • colour may not be consistent
  • high set-up costs

Applications:

  • packaging
  • cheaper magazines
  • newspapers
  • paperbacks
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Screen Printing

Advantages:

  • easy to produce stencils (photo-emulsion technique)
  • versatile (print on any surface)
  • economical only for short runs
  • automatic methods - produces large volumes

Disadvantages:

  • difficult to achieve fine detail
  • requires long drying time

Applications:

  • t-shirts
  • posters
  • [lastic and metal signage
  • promotional items e.g. mugs and pens
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Gravure

Advantages:

  • colour is consistent
  • high speed printing process
  • wide print presses
  • ink dries by evaporation
  • good results even on low quality paper

Disadvantages:

  • high cost on printing plates and cylinders
  • efficient only on long print runs
  • very expensive set up costs
  • imaged printed as dots (visible to the naked eye)

Applications:

  • high quality art and photographic books
  • postage stamps
  • packaging
  • expensive magazines
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