GLOSSARY
Glossary
A
Acid-free paper:
Paper made from pulp containing little or no acid so it resists deterioration from age. Also called alkaline paper, archival paper, neutral pH paper, permanent paper and thesis paper.
A4 paper:
ISO paper size 210 x 297mm used for letterhead.
B
Base stock:
A paper that can be further processed.
Basic size:
The standard size of sheets of paper used to calculate basis weight in the United States and Canada.
Book Papers:
Category of paper suitable for books, magazines, catalogs, advertising and general printing needs. Book paper is divided into uncoated paper (also called offset paper), coated paper (also called art paper, enamel paper, gloss paper, and slick paper), and text paper in a wide variety of basis weights, colors, and finishes.
Brightness:
The reflective ability of a paper at a standard wavelength.
Business paper:
Also called bond paper. Designation for printing papers with textured surfaces such as laid or linen. Some mills also use text to refer to any paper they consider
Basis weight:
In the United States and Canada, the weight, in pounds, of a ream (500 sheets) of paper cut to the basic size. Also called ream weight and substance weight (S or Sub weight). In countries using ISO paper sizes, the weight, in grams, of one square meter of paper. Also called grammage and ream weight.
Bleed:
Printing that extends to the edge of a sheet or page after trimming.
Blocking:
Sticking together of printed sheets causing damage when the surfaces are separated.
Bond paper:
Category of paper commonly used for writing, printing and photocopying. Also called business paper, communication paper, correspondence paper, and writing paper.
C
C1S and C2S:
Abbreviations for coated one side and coated two sides.
Calendar:
To make the surface of paper smooth by pressing it between rollers during manufacture.
Caliper:
Thickness of paper or other substrate expressed in thousandths of an inch (mils), pages per inch (ppi), thousandths of a millimeter (microns) or pages per centimeter (ppc).
Carbonless paper:
Paper coated with chemicals that enable transfer of images from one sheet to another with pressure from writing or typing.
Carload:
Selling unit of paper that may weigh anywhere from 20,000 to 100,000 pounds (9,090 to 45,454 kilos), depending on which mill or merchant uses the term. Abbreviation is CL.
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