Paper production

Paper production

Paper manufacturing and production terms.

Industry: Manufacturing

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Paper production

Web tension

Printing & publishing; Paper

Amount of pull applied in direction of the travel of a web of paper by the action of a web-fed press.

Supercalendering

Printing & publishing; Paper

Alternating rolls of highly polished steel and compressed cotton in a stack. During the process the paper is subjected to the heated steel rolls and "ironed" by the compressed cotton rolls. It ...

Conditioning

Printing & publishing; Paper

Allowing paper to adjust itself to the temperature and humidity of the printing plant prior to use.

Sulphate

Printing & publishing; Paper

Alkaline process of cooking pulp also known as the kraft process. Wood chips are cooked to a high brightness without fibre degradation in a substance of sodium sulphate and sodium sulfide.

Four-sided trim (trim 4)

Printing & publishing; Paper

After the job is printed and folded, a trim will be taken off all four sides to remove any reference or registration marks and give a clean edge to the pile of sheets.

Size or sizing

Printing & publishing; Paper

Additive substances applied to the paper either internally through the beater or as a coating that improves printing qualities and resistance to liquids. Commonly used sizes are starch and latex.