Quick Evaluation of Fillers and Fines in Paper and Board, Paper360º March/April 2020

In the pulp and paper industry, minral fillers and fines are used to influence the characteristics of the paper, either internally or on the surface. Some of these fillers and fines are very expensive and must be added in very large quantities. Typical fillers include calcium carbonate, kaolin, titanium dioxide, and talcum.

If recycled pulp is used in production, the fines and filler in the pulp present an additional element of uncertainty. An exact knowledge of the total filler content, and its components in the recycled paper or board used, helps to determine the amount of fillers and fines used additionally in production. This not only can increase the quality of the finished product, it allows for optimum addition of fillers and fines.

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