ISO/FDIS 5267-2.2

Pulps — Determination of drainability — Part 2: "Canadian Standard" freeness method

General information

Current stage: 50.20 Effective date: 8 korr 2025

Originator: ISO

Owner: ISO/TC 6

Type: International Standard

Scope

This part of ISO 5267 specifies a method for determination of the drainability of a pulp suspension in water in terms
of the "Canadian Standard" freeness in millilitres.
In principle, this method is applicable to all kinds of pulp in aqueous suspension.
NOTE Treatments which produce a large proportion of fines may induce an anomalous rise in freeness (false freeness), as
a rule at values below 100 ml.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 5267-2:2001

NOW

IN_DEVELOPMENT
ISO/FDIS 5267-2.2
50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks
8 korr 2025

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