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ISO 2528:2017

Sheet materials — Determination of water vapour transmission rate (WVTR) — Gravimetric (dish) method ISO 2528:2017

Publication date:   Oct 13, 2017

General information

90.92 Standard to be revised   Nov 11, 2023

ISO

ISO/TC 6/SC 2 Test methods and quality specifications for paper and board

International Standard

85.060   Paper and board

Buying

Published

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Scope

ISO 2528:2017 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 1 g/m2 per day or for materials thicker than 3 mm. In such cases the method specified in ISO 9932 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 Annex A.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 2528:1995

NOW

PUBLISHED
ISO 2528:2017
90.92 Standard to be revised
Nov 11, 2023

REVISED BY

IN_DEVELOPMENT
ISO/AWI 2528