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BS ISO 23327:2021

BS ISO 23327:2021

$102.76

Hygrothermal performance of building materials and products. Determination of moisture adsorption/desorption properties in response to periodic temperature variation

Published By Publication Date Number of Pages
BSI 2021 18
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This document specifies the test method of moisture-adsorption/desorption efficiency (or capacity) of building materials, when there are changes in temperature in sealed boxes containing building materials.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
4 Specimen
8 5 Test apparatus
5.1 General
5.2 Sealed box
10 5.3 Box or chamber with thermostat
5.4 Thermometer
5.5 Hygrometer
6 Curing and thermal insulation of specimen
6.1 Damp-proofing of specimen
11 6.2 Curing of specimen
6.3 Thermal insulation of specimen
12 7 Test method
7.1 Cleaning inside the sealed box
7.2 Initial relative humidity inside the sealed box
7.3 Installation of specimen
7.4 Placement of sealed box
7.5 Temperature conditions
13 7.6 Measurement
8 Water vapour leakage from sealed box
8.1 Calibration of sealed box for vapour leakage
8.2 Calculation of calibration value
14 8.3 Tolerance calibration value
9 Calculation of results
9.1 Temperature and humidity in sealed box
15 9.2 Moisture-adsorption/desorption amount
10 Test report
17 Annex A (informative) Temperature conditions of box or chamber with thermostat

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BS ISO 23327:2021
$102.76