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G.N. Ionides, M. Jackson, M.K. Smith and O.L. Forgacs. Factors influencing the strength properties of wet-webs. In Fibre-Water Interactions in Paper-Making, Trans. of the VIth Fund. Res. Symp. Oxford, 1977, (Fundamental Research Committee, ed.), pp 357–374, FRC, Manchester, 2018.

Abstract

The importance of wet-web strength in the manufacture of newsprint is considered. A number of case histories are presented, which illustrate how the assessment of wet-web strength can be effectively used to clarify practical observations on paper machines. These observations were concerned with the influence on paper-machine operation of normal fluctuations in the properties of the mechanical and chemical pulp components of a newsprint furnish. Wet-web strength measurements were carried out at moisture contents of the web which reflect its ability to release water under standard drainage and pressing procedures. A rapid wet-web burst testing technique was developed that is suitable for evaluating wet-web strength in a mill environment.


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