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14

2022

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06

Paper size

Generally divided into two types: flat and reel. Flat paper is mainly used for sheet-by-sheet use, such as paper for flatbed printing and writing, painting, etc. The roll paper is mainly used for continuous processing machinery, such as for rotary press printing, continuous bag making by bag making machine, continuous cigarette making by cigarette making machine, etc.


Generally divided into two types: flat and reel. Flat paper is mainly used for sheet-by-sheet use, such as paper for flatbed printing and writing, painting, etc. The roll paper is mainly used for continuous processing machinery, such as for rotary press printing, continuous bag making by bag making machine, continuous cigarette making by cigarette making machine, etc.

The range of paper for printing is generally required to match the series of printing presses. In the past, the width of the reel was mainly 787 and 1092mm and its multiples. With the change of the printing width of the printing machine, 880mm and its multiples are now gradually adopted. The outer diameter of the roll paper is generally 750 to 850 mm. The aspect ratio of flat paper is 0.72. It is customary to take 500 sheets as one ream, and several reams of paper are packaged into one piece, each weighing no more than 250kg. Other papers have different specifications due to different usage requirements, or are produced according to special specifications required by subscribers.