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Types of CTP Plates
May 15, 2018


Types of CTP Plates


Photopolymer plates

  • Photosensitivity between 400 nm and 550 nm;

  • low laser energy of 100 to 200 µJ/cm2 needed for exposure;

  • run lengths of up to 200,000 prints;

  • negative plate.

Silverhalogen plates

  • Silverhalogen aluminium printing plates;

  • photosensitivity between 400 nm and 700 nm;

  • low laser energy of 1 to 2 µJ/cm2 needed for exposure;

  • run lengths of up to 150,000 prints;

  • resolution to 250 LPI possible;

  • dot reproduction 1–99%;

  • positive plate.

Thermal plates

  • Photosensitivity between 830 nm and 1.070 nm;

  • high laser energy of up to 500 µJ/cm2 needed for exposure;

  • run lengths from 100,000 up to 500,000 prints;

  • resolution to 200 LPI–400 LPI possible;

  • dot reproduction 1–99%;

  • high process stability;

  • many providers;

  • processing in the daylight possible.