White Board Paper Factory Direct Sales Whiteness Control

White board paper

  The main process parameters of whiteboard pulp whiteness: 70%;Whitening agent concentration: 6%; Adding amount of whitening agent: 4.9%; Paper whiteness: 85%; Dry pulp quantity before grinding: 1.5 tons; Dry pulp capacity after grinding: 1.5 tons.

  Whiteness control method for the paper that has been copied, test its whiteness, when the whiteness is found to be higher than 85%, reduce the amount of whitener added: when the whiteness is found to be lower than 85%, increase the amount of whitener added.

The original pulp whiteness whiteboard paper factory direct analysis, due to reed species, raw material ratio, cooking equipment, cooking process, bleaching end point control and other aspects of the inherent deficiencies and constraints.

  The whiteness of the plasma fluctuates greatly, and the whiteness of the plasma is 70%, the fluctuation range is between 68% and 74%. Production practice has proved that when the original pulp changes by 1% and the amount of whitening agent is unchanged, the whiteness of the paper can change by 3-4%, therefore, it can be said that the change in the whiteness of the original pulp is a main reason for the instability of the paper whiteness. 
   If you need paper such as whiteboard, you can contact us. We'll give you a professional paper solution
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email：02@songhongpaper.com
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