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ISO 9932:1990

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

General information
Withdrawn from 01.03.2021
Directives or regulations
None

Standard history

Status
Date
Type
Name
01.03.2021
Main
25.10.1990
Main
Depending on the method and specific apparatus employed, materials up to 38 mm thick and with water vapour transmission rates in the range 0,05 g/(m^2.d) to 65 g/(m^2.d) can be tested. The basis of the function of the instrumental techniques is briefly described. Advice on calibration is given in annex B. Specifies principle, apparatus, sampling, preparation of test pieces, procedure, expression of results, precision and test report.
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