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BSI BS 6035-2:1982

Methods for determination of the drainability of pulp -- 'Canadian Standard' freeness method
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BSI BS 6035-2:1982

Methods for determination of the drainability of pulp -- 'Canadian Standard' freeness method

PUBLISH DATE 1982
BSI BS 6035-2:1982

This International Standard specifies a method for determination of the drainability of a pulp suspension in water in terms of the “Canadian Standard” freeness (CSF) number.

The “Canadian Standard” freeness test is designed to provide a measure of the rate at which a dilute suspension of pulp may be dewatered. It has been shown that the drainability is related to the surface conditions and swelling of the fibres, and constitutes a useful index of the amount of mechanical treatment to which the pulp has been subjected.

Results of this test do not necessarily correlate with the drainage behaviour of a pulp material on a commercial paper machine.

A method for the determination of drainability in terms of the Schopper-Riegler number is specified in ISO 5267-1.

Specifies a method for measuring the rate at which a dilute pulp suspension may be dewatered, so giving a guide to the amount of mechanical treatment the pulp has received.
SDO BSI: British Standards Institution
Document Number 6035-2
Publication Date May 31, 1982
Language en - English
Page Count
Revision Level
Supercedes
Committee PAI/11
Publish Date Document Id Type View
May 31, 1982 BS 6035-2:1982 Revision