TAPPI UM 256 PDF
TAPPI UM 256 PDF
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  • TAPPI UM 256 PDF

  • TAPPI UM 256 PDF

TAPPI UM 256 PDF

TAPPI UM 256 PDF

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Water retention value (WRV)

TAPPI UM 256 – Water retention value (WRV)

Water retention value is a measure of the water retained by a wet pulp specimen after centrifuging understandard conditions.

Water retention value can be a useful tool in evaluating the performance of pulps relative to dewateringbehavior on the paper machine. The usefulness of the method on a particular application may vary depending ontype of stock, additives, machine configuration and other factors. The method is established to provide standardvalues of centrifugal force, time of centrifuging, and sample preparation so that results can be compared betweeninvestigators at standard values.

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Worldwide Standards PDF © 2024

Published byPublication DateNumber of Pages
TAPPI07/01/2015