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BS ISO 2782-1:2022

BS ISO 2782-1:2022

$142.49

Rubber, vulcanized or thermoplastic. Determination of permeability to gases – Differential-pressure methods

Published By Publication Date Number of Pages
BSI 2022 30
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PDF Catalog

PDF Pages PDF Title
2 undefined
7 Foreword
8 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Principle
5 Pressure sensor method
5.1 Apparatus
12 5.2 Calibration
5.3 Test gas
13 5.4 Test pieces
5.4.1 Shape and dimensions
5.4.2 Preparation
5.4.3 Number of test pieces
5.4.4 Measurement of thickness
5.4.5 Time interval between forming and testing
5.5 Conditioning
5.6 Test conditions
14 5.7 Gas transmission area
5.8 Procedure
15 5.9 Calculation and expression of results
5.9.1 Gas transmission rate
16 5.9.2 Gas permeability coefficient
5.9.3 Gas diffusion coefficient
5.9.4 Gas solubility coefficient
17 6 Simplified pressure sensor method
6.1 Apparatus
6.1.1 Test cell
6.1.2 Test piece support
6.1.3 Two pressure sensors
6.1.4 Test gas supply reservoir
6.1.5 Temperature sensor
18 6.2 Calibration
6.3 Test gas
19 6.4 Test pieces
6.4.1 Shape and dimensions
6.4.2 Preparation
6.4.3 Number of test pieces
6.4.4 Measurement of thickness
6.4.5 Time interval between forming and testing
6.5 Conditioning
6.6 Test conditions
6.7 Gas transmission area
6.8 Procedure
20 6.9 Calculation and expression of results
6.9.1 Gas permeability coefficient
7 Gas-chromatographic method
7.1 Apparatus
22 7.2 Calibration
7.3 Test gas
7.4 Carrier gas
7.5 Test pieces
7.5.1 Shape and dimensions
7.5.2 Preparation
7.5.3 Number of test pieces
7.5.4 Measurement of thickness
7.5.5 Time interval between forming and testing
7.6 Conditioning
7.7 Test conditions
7.8 Gas transmission area
7.9 Calibration curve
23 7.10 Procedure
24 7.11 Calculation and expression of results
7.11.1 Gas transmission rate
7.11.2 Gas permeability coefficient
8 Test report
26 Annex A (normative) Calibration schedule

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BS ISO 2782-1:2022
$142.49