ISO-9932 › Paper and board - Determination of water vapour transmission rate of sheet materials - Dynamic sweep and static gas methods

ISO-9932 - 2ND EDITION - CURRENT
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This document describes general test methods for determining the water vapour transmission rate of sheet materials by means of a dynamic gas method or a static gas method. Depending on the method and specific apparatus employed, materials up to 38 mm thick and with water vapour transmission rates in the range from 0,05 g/(m2·d) to 65 g/(m2·d) can be tested. The basis of the function of the instrumental techniques is briefly described. Advice on calibration is given in Annex B.

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Document Number

ISO 9932:2021

Revision Level

2ND EDITION

Status

Current

Publication Date

March 1, 2021

Committee Number

ISO/TC 6/SC 2