BSI 21/30408835 DC:2021 Edition

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BS EN ISO 5263-3. Pulps. Laboratory wet disintegration – Part 3. Disintegration of mechanical pulps at > 85°C

Published By	Publication Date	Number of Pages
BSI	2021	18

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Description

This part of ISO 5263 specifies an apparatus and the procedures for the laboratory wet disintegration of mechanical pulps that exhibit latency. This apparatus and procedure are required for preparation of the test portion in a number of other International Standards dealing with pulps.

ISO 5263-3 is applicable to all kind of mechanical pulps (i.e. mechanical, semi-chemical and chemi-mechanical pulps) exhibiting latency. Mechanical pulps not exhibiting latency shall be disintegrated according to ISO 5263-2 .

The procedure specified in ISO 5263-2 should 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.

Additional information

Status	Definitive
Pages	18
Publication Date	2021-09-13
Standard Number	21/30408835 DC
Title	BS EN ISO 5263-3. Pulps. Laboratory wet disintegration – Part 3. Disintegration of mechanical pulps at > 85°C
Identical National Standard Of	ISO/DIS 5263-3
Descriptors	Paper technology, Test equipment, Test specimens, Specimen preparation, Laboratory testing, Separation, Paper pulp, Mechanical separation
Publisher	BSI
Committee	PAI/11
ICS Codes	85.040 - Pulps

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BSI 21/30408835 DC:2021 Edition

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