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Paper Glossary
Art Paper
High quality and rather heavy two-sided coated printing paper with smooth surface. The reproduction of fine screen single, double and multicolour pictures "art on paper" requires a paper that has an even, well closed surface and a uniform ink absorption.
Brightness
The reflectance or brilliance of the paper when measured under a specially calibrated blue light. Not necessarily related to colour or whiteness. Brightness is expressed as a %.
Calendered Paper
Paper that has been smoothed and compacted between the rolls of a calender unit and is thus more or less glossy (sharp or matt calendered). The effect produced in the calender unit is the result of friction combined with temperature and pressure.
Cast Coated Paper
Paper dried under pressure against a heated, polished cylinder to produce a highgloss enamel finish.
Chemical Wood Paper
Paper made from wood pulp treated chemically to remove the lignin.
Coated Paper
Paper with a surface coating that produces a smooth finish. Types of coating are gloss, dull, matt and cast. Also improves reflectivity and ink holdout.
Gloss Finish
A paper's shine or lustre which reflects angular light.
Matt Finish
Dull paper finish without gloss or lustre.
Mechanical Wood Paper
Paper made from mechanically treated wood pulp. Generally considered cheaper quality to Woodfree paper. Lower brightness and whiteness.
Newsprint
Newsprint is a highly mechanical, machine finished or calendered rotary printing paper (40-56gsm) mainly made from mechanical and increasingly waste paper pulps. In line with its intended use as a short lived information medium, the demands of newsprint in terms of optical properties or printability are lower than those on other coated printing papers. Newsprint must have very good run ability; today's state of the art printing techniques require a paper with good tear strength so that uninterrupted production on high speed rotary presses is ensured. Newsprint is used for newspapers and increasingly for mass-market paperbacks produced in letterpress or offset printing.
Offset Paper
Collective term for printing papers with special properties for offset printing. For instance, the paper must not emit dust during processing and must be pick resistant. Offset paper may be woodfree or mechanical, coated (matt, glossy, embossed) or uncoated and is processed in sheets as well as reels.
Paperboard
A heavy weight, thick, rigid and single or multilayer sheet. What differentiates paperboard from paper is the weight of the sheet. If paperboard is very heavy it is called board. Paper heavier than 150 grams per metre square is normally called Paperboard and paperboard heavier than 500 grams per metre square is called Board.
Printing Paper
Printing paper is a collective term for all printable mechanical or woodfree papers that may serve as the medium for printed information. In addition to uniform and ink trapping and drying (printability) as well as dimensional stability, sufficient opacity (no show through of the back print) and smoothness, such papers require a certain degree of strength and stiffness.
Supercalendered Paper
Paper which has been passed between heavy rollers to give a smooth surface of moderate gloss.
Text Paper
Text papers are defined as fine, high quality uncoated papers. Typically, they are made in various colours, with numerous textures and a variety of surface finishes. Text papers are made from high-grade bleached wood pulp, cotton fibres, tree-free fibres or tree-free pulp such as bamboo. Recycled sheets include high quality recycled waste paper and post-consumer waste pulp, in addition to bleached wood pulp, tree-free pulp or cotton fibres.
Woodfree Paper
Paper consisting of chemical pulp fibres. It does not contain any mechanical pulp beyond a permissible content of 5% by mass
High quality and rather heavy two-sided coated printing paper with smooth surface. The reproduction of fine screen single, double and multicolour pictures "art on paper" requires a paper that has an even, well closed surface and a uniform ink absorption.
Brightness
The reflectance or brilliance of the paper when measured under a specially calibrated blue light. Not necessarily related to colour or whiteness. Brightness is expressed as a %.
Calendered Paper
Paper that has been smoothed and compacted between the rolls of a calender unit and is thus more or less glossy (sharp or matt calendered). The effect produced in the calender unit is the result of friction combined with temperature and pressure.
Cast Coated Paper
Paper dried under pressure against a heated, polished cylinder to produce a highgloss enamel finish.
Chemical Wood Paper
Paper made from wood pulp treated chemically to remove the lignin.
Coated Paper
Paper with a surface coating that produces a smooth finish. Types of coating are gloss, dull, matt and cast. Also improves reflectivity and ink holdout.
Gloss Finish
A paper's shine or lustre which reflects angular light.
Matt Finish
Dull paper finish without gloss or lustre.
Mechanical Wood Paper
Paper made from mechanically treated wood pulp. Generally considered cheaper quality to Woodfree paper. Lower brightness and whiteness.
Newsprint
Newsprint is a highly mechanical, machine finished or calendered rotary printing paper (40-56gsm) mainly made from mechanical and increasingly waste paper pulps. In line with its intended use as a short lived information medium, the demands of newsprint in terms of optical properties or printability are lower than those on other coated printing papers. Newsprint must have very good run ability; today's state of the art printing techniques require a paper with good tear strength so that uninterrupted production on high speed rotary presses is ensured. Newsprint is used for newspapers and increasingly for mass-market paperbacks produced in letterpress or offset printing.
Offset Paper
Collective term for printing papers with special properties for offset printing. For instance, the paper must not emit dust during processing and must be pick resistant. Offset paper may be woodfree or mechanical, coated (matt, glossy, embossed) or uncoated and is processed in sheets as well as reels.
Paperboard
A heavy weight, thick, rigid and single or multilayer sheet. What differentiates paperboard from paper is the weight of the sheet. If paperboard is very heavy it is called board. Paper heavier than 150 grams per metre square is normally called Paperboard and paperboard heavier than 500 grams per metre square is called Board.
Printing Paper
Printing paper is a collective term for all printable mechanical or woodfree papers that may serve as the medium for printed information. In addition to uniform and ink trapping and drying (printability) as well as dimensional stability, sufficient opacity (no show through of the back print) and smoothness, such papers require a certain degree of strength and stiffness.
Supercalendered Paper
Paper which has been passed between heavy rollers to give a smooth surface of moderate gloss.
Text Paper
Text papers are defined as fine, high quality uncoated papers. Typically, they are made in various colours, with numerous textures and a variety of surface finishes. Text papers are made from high-grade bleached wood pulp, cotton fibres, tree-free fibres or tree-free pulp such as bamboo. Recycled sheets include high quality recycled waste paper and post-consumer waste pulp, in addition to bleached wood pulp, tree-free pulp or cotton fibres.
Woodfree Paper
Paper consisting of chemical pulp fibres. It does not contain any mechanical pulp beyond a permissible content of 5% by mass
