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ISO 9932:2021

Paper and board — Determination of water vapour transmission rate of sheet materials — Dynamic sweep and static gas methods

Standard Details

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.

General Information

Status : Published
Standard Type: Main
Document No: ISO 9932:2021
Document Year: 2021
Pages: 10
Edition: 2
  • Section Volume:
  • ISO/TC 6/SC 2. Test methods and quality specifications for paper and board

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ISO 9932:2021
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