BS ISO 9932:2021
Current
Paper and board. Determination of water vapour transmission rate of sheet materials. Dynamic sweep and static gas methods
Hardcopy , PDF
English
03-03-2021
| Committee |
PAI/11
|
| DocumentType |
Standard
|
| Pages |
20
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
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 38mm thick and with water vapour transmission rates in the range from 0,05g/(m2·d) to 65g/(m2·d) can be tested. The basis of the function of the instrumental techniques is briefly described. Advice on calibration is given in AnnexB.
| Standards | Relationship |
| ISO 9932:2021 | Equivalent |
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