Pulps. Laboratory wet disintegration Disintegration of mechanical pulps at 20°C

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

30-04-2007

Publisher

British Standards Institution

Foreword
1 Scope
2 Normative references
3 Definition
4 Apparatus
5 Preparation of test portion
6 Procedure
7 Test report
Annex A (normative) Construction of the Standard disintegration
Annex B (normative) Checking the Standard disintegrator

Specifies an apparatus and the procedures for the laboratory-wet disintegration of mechanical pulps that do not exhibit latency or mechanical pulps where latency has already been removed.

This part of ISO 5263 specifies an apparatus and the procedures for the laboratory-wet disintegration of mechanical pulps that do not exhibit latency or mechanical 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 chemi-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 should also be used to disintegrate all mechanical pulps to be measured for brightness.

NOTE Brightness is not significantly altered by the presence of latency; however, hot disintegration of mechanical pulps can lead to significant loss of brightness.

Committee	PAI/11
DevelopmentNote	Supersedes 03/309341 DC. (04/2007) Together with BS EN ISO 5263-1 and BS EN ISO 5263-3 supersedes BS EN ISO 5263. (04/2009) Reviewed and confirmed by BSI, July 2014. (06/2014)
DocumentType	Standard
Pages	16
PublisherName	British Standards Institution
Status	Current
Supersedes	BS EN ISO 5263:1997 03/309341 DC : DRAFT JUNE 2003

Standards	Relationship
SN EN ISO 5263-2 : 2004	Identical
UNE-EN ISO 5263-2:2005	Identical
NS EN ISO 5263-2 : 1ED 2004	Identical
UNI EN ISO 5263-2 : 2005	Identical
NF EN ISO 5263-2 : 2005	Identical
DIN EN ISO 5263-2:2004-12	Identical
NEN EN ISO 5263-2 : 2004	Identical
NBN EN ISO 5263-2 : 2004	Identical
I.S. EN ISO 5263-2:2004	Identical
ISO 5263-2:2004	Identical
EN ISO 5263-2:2004	Identical

ISO 638:2008	Paper, board and pulps Determination of dry matter content Oven-drying method
ISO 14487:1997	Pulps Standard water for physical testing
ISO 4119:1995	Pulps Determination of stock concentration

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BS EN ISO 5263-2:2004

Pulps. Laboratory wet disintegration Disintegration of mechanical pulps at 20°C

Table of Contents

Abstract

Scope

General Product Information

International Equivalents

Standards Referencing This Book

Category

Subcategory