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STANDARD 18393-1
Second edition
2023-12
Thermal insulation products —
Determination of settlement —
Part 1:
Loose-fill insulation for ventilated
attics simulating humidity and
temperature cycling
Produits isolants thermiques — Détermination du tassement —
Partie 1: Isolant en vrac pour combles ventilés après simulation de
cycles de température et d’humidité
Reference number
ISO 18393-1:2023(E)
© ISO 2023
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ISO 18393-1:2023(E)
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© ISO 2023
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Published in Switzerland
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© ISO 2023 – All rights reserved
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ISO 18393-1:2023(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 2
5 Test equipment .2
5.1 Specimen container . 2
5.2 Climate chamber . 2
6 Test specimens . 3
6.1 Preparations of test specimens . 3
6.2 Number of test specimens . 3
6.3 Conditioning of test specimens . 3
7 Test procedure .3
8 Calculations and expression of results . 4
9 Accuracy of measurement.4
10 Test report . 5
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© ISO 2023 – All rights reserved
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ISO 18393-1:2023(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Eac
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