Paper

Paper

Printing paper and industry terms.

Industry: Printing & publishing

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Paper

End-leaf paper

Printing & publishing; Paper

Strong, fine quality papers, either plain or coated and sometimes coloured or marbled used at both ends of a book. Also called sheets.

Barium sulphate

Printing & publishing; Paper

Substance used as a standard for white, in lieu of the availability of a practical 100 percent reflecting diffuser.

Pigment

Printing & publishing; Paper

Substance, usually mineral or inorganic compounds, used to give paper its color.

Gum streaks

Printing & publishing; Paper

Streaks, particularly in halftones, produced by uneven gumming of plates which partially desensitises the image.

Stretch resistance

Printing & publishing; Paper

Stretch properties are essential for paper to fold well and to resist stress in use. Stretch resistance is measured on tensile testing instruments.

Fibrillae

Printing & publishing; Paper

String-like elements that are loosened from the paper fibres during the beating process. They aid in the bonding processes when paper is being manufactured.

Web

Printing & publishing; Paper

Roll of paper used in web or rotary presses and most often folded, pasted and converted in one continuous form. Also a ribbon of paper as it unwinds from a roll and threads through the press.