Paper

Paper

Printing paper and industry terms.

Industry: Printing & publishing

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Paper

Ink dot scum

Printing & publishing; Paper

On aluminium plates, a type of oxidation scum characterised by scattered pits that print sharp, dense dots.

Side guide

Printing & publishing; Paper

On sheet-fed presses, a guide on the feed board to position the sheet sideways as it feeds into the front guides before entering the impression cylinder.

Wire mark

Printing & publishing; Paper

On the bottom or wire side of the paper, these are impressed traces of the machine wire.

Dry-end

Printing & publishing; Paper

On the paper machine, it is the section where the dryers, cutters, slitters and reels are located.

Wash-up

Printing & publishing; Paper

Operation between ink/color changes. Time required between ink colour changes.

Wire side

Printing & publishing; Paper

Opposite of felt side, this is the side of the paper that was against the wire during manufacture. A watermark will read backward from this side of the sheet.

Grain short

Printing & publishing; Paper

Opposite of grain long. Grain of the paper runs at the right angles to the longest dimension of the sheet. fibre alignment in grain short paper parallels the sheet's shortest dimension.