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BSI 22/30434607 DC 2022

BSI 22/30434607 DC 2022

$13.70

BS EN ISO 7231. Polymeric materials, cellular, flexible. Determination of air flow value at constant pressure-drop

Published By Publication Date Number of Pages
BSI 2022 21
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PDF Catalog

PDF Pages PDF Title
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
4 Principle
8 5 Method A
5.1 Apparatus
5.1.1 General
5.1.2 Flow meters
5.1.3 Manometer
5.1.4 Air supply or suction equipment
5.1.5 Test piece mounting
5.1.6 Vacuum chamber operated at below atmosphere pressure
9 5.2 Test pieces
5.3 Test conditions
5.4 Procedure
5.5 Test report
11 6 Method B
6.1 Method B1 with manual measurement
6.1.1 Apparatus
12 6.1.2 Test pieces
6.1.3 Test conditions
6.1.4 Procedure
15 6.1.5 Precision
6.1.6 Test report
6.2 Method B2 with automatic measurement
6.2.1 Apparatus
17 6.2.2 Test pieces
6.2.3 Test conditions
18 6.2.4 Procedure
6.2.5 Test report
19 Annex A (informative) Precision of Method B1
21 Bibliography

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BSI 22/30434607 DC 2022
$13.70