Paper

Paper

Printing paper and industry terms.

Industry: Printing & publishing

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Paper

Repeatability

Printing & publishing; Paper

The ability to keep photo film and the images thereon in proper register. Repeatability is usually measured in micrometers.

Trapping

Printing & publishing; Paper

The ability to print a wet ink film over previously printed ink. Dry trapping is printing wet ink on dry paper or over dry ink. Wet trapping is printing wet ink over previously printed wet ink.

Dusting

Printing & publishing; Paper

The accumulation of loose particles from the paper on the nonimage areas of the blanket. Particles are of very small size.

Smashing

Printing & publishing; Paper

The binding operation following sewing in which the folded and sewn sheets are compressed to tighten the fold free of air to make the front and back of the sheets the same thickness.

Gutter

Printing & publishing; Paper

The blank space or inner margin on a press sheet from printing area to binding.

De-inking

Printing & publishing; Paper

The chemical or mechanical removal of ink from printed wastepapers so that the stock may be reused or recycled.

Flat etching

Printing & publishing; Paper

The chemical reduction of the silver deposit in a continuous-tone or halftone plate, brought about by placing it in a tray containing an etching solution.