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Difference Between Offset Paper And Copy Paper
Hangzhou Gerson Paper Co.,Ltd | Updated: Aug 23, 2016

1, moisture content

General printing offset paper with a moisture content of higher (6-8%), low moisture content xerographic paper (3.8-5%). 

When copying, a low water content can effectively reduce the high temperature and pressure caused by instant copy curl, 

if instead of using copy paper offset paper after paper copy may become uneven, due to the high moisture content. 

For offset paper printing, water is too low will cause the printing process to produce water and paper telescopic overlay 

are not allowed to produce and so on.


2, Static Control

General printing offset paper is mainly used for printing per se, with static electricity; electrostatic photocopying paper itself 

and eliminate static electricity (electrostatic surface sizing agent is added to the time, when cutting electrostatic removing device).


3, Paper surface treatment (smoothness and stiffness)

General printing offset paper using traditional hard-calendered paper surface manner to meet the printing requirements of smoothness. 

Different ways to feed less demanding smoothness. Electrostatic photocopying paper using advanced technology for soft calender paper surface 

treatment, a relatively high surface roughness can get a good bulk, stiffness, so that the copy paper jams rate decreased, and maintain a good 

friction with the pickup roller to ensure smooth paper feeding. But the high roughness easily lead to poor feed paper jams, low roughness and 

easily lead to the pickup wheel slippage and jams.

       

Offset paper for high stiffness is not required, and the copy paper stiffness requirements are higher because they directly affect the stiffness of

the paper copy effect, in addition to low offset paper thickness requirements while smoothing requirements, and copy paper is the desired 

thickness at the same time and to ensure a high degree of smoothness to 70G copy paper Case thickness generally require smooth 

pros do 96-100UM average 25S above.


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