December 12, 2016

Calendar Stock

An offset paper grade—produced with basis weights of 50:70 pounds—characterized by high degrees of printability and resistance to curling, used in the printing of calendars.
December 12, 2016


Calendering is done by pressing the paper web in one or more “rolling” nips formed by rolls with special properties
December 12, 2016


A series of highly-polished steel rollers at the end of a papermaking machine used to produce a desired finish on paper. See Calendering. Further calendering is performed on a separate machine
December 12, 2016

Calender Cut

A paper defect caused during calendering of a paper web characterized by lines or fractures that tear easily under tension. Wrinkles present on a paper’s surface will impress deeply into the surface of the
December 12, 2016

Calender Finish

A glossy paper finish produced by running the formed paper web through a calender.
December 12, 2016

Calender Spot

A paper defect characterized by shiny, transparent spots, generated during the calendering of a paper web. Calender spots are caused by a fragment of paper stuck to the roller of a calender and pressed deeply
December 12, 2016

Calender Stack

Term for the stack of rollers that make up the calender section of a papermaking machine. See Calender.
December 12, 2016

Calender Wrinkle

A wrinkle or similar paper defect produced by the calender rollers.
December 12, 2016

Calender-Blackened Spots/Streaks

A paper defect characterized by dark spots or streaks on a paper surface, generated during calendering of a paperweb. Such marks are caused by a wet spot or streak on the web
December 12, 2016

Calendered Fabric

A screen fabric used in screen printing which has been compressed or flattened by running one or both sides through a calender.

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