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BS ISO 7229:2022

$142.49

Rubber or plastics. coated fabrics. Measurement of gas permeability

Published By Publication Date Number of Pages
BSI 2022 26
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PDF Catalog

PDF Pages PDF Title
2 undefined
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Principle
5 Test pieces
5.1 Shape and dimensions
5.2 Measurement of thickness
5.3 Number of test pieces
5.4 Sealing and masking
11 5.5 Conditioning
5.6 Test atmosphere
5.7 Gas transmission area
12 6 Pressure sensor method
6.1 Apparatus
13 6.2 Test gas
6.3 Procedure
15 6.4 Calculation and expression of results
6.4.1 Gas transmission rate
16 6.4.2 Gas permeability coefficient
7 Gas chromatography method
7.1 Apparatus
17 7.2 Test gas
7.3 Carrier gas
18 7.4 Calibration curve
7.5 Procedure
19 7.6 Calculation and expression of results
7.6.1 Gas transmission rate
7.6.2 Gas permeability coefficient
8 Test report
21 Annex A (informative) Gas chromatography method with equal pressure condition
BS ISO 7229:2022
$142.49