Boehmer Box: We Package Performance
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Printing Terms

In this section are the most commonly used terms.

AQ coating An economical fast-drying water-based coating applied in-line.
basis weight The weight of the paperboard per unit of area.
Bleed An extra amount of printed image that extends beyond the trim edge of the sheet or page.
blind embossing A design that is stamped without metallic leaf or ink, providing a bas-relief effect.
brightness The reflectance or brilliance of the paper.
caliper The thickness of paper, usually expressed in thousandths of an inch [mils].
Paperboard with a surface coating of clay that produces a smooth finish and the ability to reproduce high impact glossy images.
Die-cutting The process of using sharp steel rules to cut special shapes for labels, boxes from printed sheets.
embossing Impressing an image in relief to achieve a raised surface; either overprinting or on blank paper [called blind embossing].
grammage A metric term for expressing the basis weight of paper. It is the weight in grams of a square meter of the paper expressed in g/m2.
kraft A paper or board containing unbleached wood pulp that is brown in colour.
lacquer A clear usually glossy coating applied to a printed sheet for protection or appearance.
make ready All work done prior to running the presses, i.e., adjusting the feeders, grippers.
matte finish A dull paper finish without gloss or lustre.

Offset printing

Pre-press proofs Proofs made in less time and at lower cost than press proofs.
press proofs A proof of a colour subject on a printing press, in advance of the production run.
progressive proofs Proofs made from the separate plates in colour process work, showing the sequence of printing and the result after each additional colour has been applied.
Rub proof An ink that has reached maximum dryness and does not mar with normal abrasion.
Score To impress or indent a mark with a string or a rule in the paper to make folding easier.
sizing The treatment of paper that gives it resistance to the penetration of liquids or vapours.
UV coating A liquid laminate bonded to a sheet and cured with UV light.
varnish A thin, protective coating applied to a printed sheet for protection or appearance.
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