Standard [CURRENT]
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In view of the widespread use of the following beaters - valley beater, - PFI mill, it has been decided, as a temporary measure, to provide guidance on the use of these beaters in order to achieve consistency of results with each instrument. Although both beaters show similar trends in the effect on pulp properties, there is no correlation between the actual results obtained with the different types of beaters. Beating is a preliminary step in the preparation of laboratory sheets for testing the physical properties of pulps. In the PFI mill, each beating is performed separately; this means a new test portion of unbeaten pulp is taken for each beating.
This document replaces DIN EN ISO 5264-2:2003-06 .