EN ISO 5263-2:2004

Pulps - Laboratory wet disintegration - Part 2: Disintegration of mechanical pulps at 20 degrees C (ISO 5263-2:2004)

Publication date:   Oct 31, 2006

General information

90.93 Standard confirmed   May 2, 2014

CEN

CEN/TC 172 Pulp, paper and board

European Norm

85.040   Pulps

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Scope

ISO 5263-2:2004 specifies an apparatus and the procedures for the laboratory-wet disintegration of mechanical pulps that do not exhibit latency or pulps where latency has already been removed. This apparatus and procedure are required for preparation of the test portion in a number of other International Standards dealing with pulps.
In principle, this method is applicable to all kind of mechanical pulps (i.e. mechanical, semi-chemical and chemo-mechanical pulps) that do not exhibit latency, including recovered fibres from mechanical pulps. It is not suitable for mechanical pulps exhibiting latency for which the disintegration procedure described in ISO 5263-3 shall be used.
The procedure specified by ISO 5263-2:2004 should also be used to disintegrate all mechanical pulps to be measured for brightness.

Life cycle

PREVIOUSLY

WITHDRAWN
EN ISO 5263:1997

NOW

PUBLISHED
EN ISO 5263-2:2004
90.93 Standard confirmed
May 2, 2014