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BSI
BS ISO 2528:2017

BS ISO 2528:2017

Current

Current

The latest, up-to-date edition.

Sheet materials. Determination of water vapour transmission rate (WVTR). Gravimetric (dish) method

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

20-10-2017

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus and material
6 Sampling
7 Conditioning
8 Preparation of test pieces
9 Preparation of dishes
10 Procedure
11 Expression of results
12 Precision
13 Test report
Annex A (normative) - Method for determination of
        water vapour transmission rate of creased
        materials
Annex B (normative) - Test conditions
Annex C (informative) - Sealing waxes
Bibliography

Describes a method for the determination of the water vapour transmission rate (often erroneously called 'permeability') of sheet materials.

This document specifies a method for the determination of the water vapour transmission rate (often erroneously called “permeability”) of sheet materials.

This method is not generally recommended for use if the transmission rate is expected to be less than 1g/m2perday or for materials thicker than 3mm. In such cases the method specified in ISO9932 is preferred.

The method cannot be applied to film materials that are damaged by hot wax or that shrink to an appreciable extent under the test conditions used.

For some purposes it may be necessary to determine the transmission rate of creased material; a procedure for this is given in AnnexA.

Committee
PAI/11
DevelopmentNote
Supersedes BS 2782-8.820A(1996). (10/2017)
DocumentType
Standard
Pages
26
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 2528:2017 Identical

ISO 9932:1990 Paper and board Determination of water vapour transmission rate of sheet materials Dynamic sweep and static gas methods
ISO 209:2007 Aluminium and aluminium alloys — Chemical composition
ISO 23529:2016 Rubber General procedures for preparing and conditioning test pieces for physical test methods
ISO 187:1990 Paper, board and pulps — Standard atmosphere for conditioning and testing and procedure for monitoring the atmosphere and conditioning of samples
ISO 2233:2000 Packaging Complete, filled transport packages and unit loads Conditioning for testing
ISO 186:2002 Paper and board — Sampling to determine average quality
ISO 2231:1989 Rubber- or plastics-coated fabrics — Standard atmospheres for conditioning and testing
ISO 291:2008 Plastics Standard atmospheres for conditioning and testing

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Hardcopy - English
PDF - English
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