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BS ISO 1431-1:2022

BS ISO 1431-1:2022

$167.15

Rubber, vulcanized or thermoplastic. Resistance to ozone cracking – Static and dynamic strain testing

Published By Publication Date Number of Pages
BSI 2022 34
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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 Apparatus
5.1 Test chamber without humidity control (see Figure 1)
11 5.2 Test chamber with humidity control (see Figure 2)
12 5.3 Source of ozonized air
13 5.4 Means of adjusting the ozone concentration
5.5 Means of determining the ozone concentration
5.6 Means of adjusting the humidity
5.7 Means of adjusting the gas flow
14 5.8 Mounting test pieces for static strain testing
5.9 Mounting test pieces for dynamic strain testing
15 5.10 Purifying column and filter (key 7 and 4 in Figure 1 and Figure 2)
5.11 Image analysis
5.12 Apparatus for measuring properties of the material
6 Calibration
7 Test pieces
7.1 General
16 7.2 Wide strip test piece
7.3 Narrow strip test piece
7.4 Dumbbell test piece
8 Conditioning
8.1 Conditioning in the unstrained state
17 8.2 Conditioning in the strained state (for static strain testing only)
9 Test conditions
9.1 Ozone concentration
9.2 Temperature
18 9.3 Relative humidity
9.4 Maximum elongation
9.5 Exposure period
10 Static strain testing
10.1 General
10.2 Procedure A
19 10.3 Procedure B
10.4 Procedure C
11 Dynamic strain testing
11.1 General
11.2 Continuous dynamic exposure
11.2.1 Choice of procedure
20 11.2.2 Procedure A
11.2.3 Procedure B
11.3 Intermittent dynamic exposure
11.3.1 Exposure procedure
11.3.2 Procedure A
11.3.3 Procedure B
12 Expression of results
12.1 Procedure A
12.1.1 Procedure A.1 (Evaluation with visual assessment)
21 12.1.2 Procedure A.2 (Evaluation with image analysing technique)
12.2 Procedure B
12.3 Procedure C
12.3.1 Procedure C.1 (Evaluation with visual assessment)
22 12.3.2 Procedure C.2 (Evaluation with image analysing technique)
23 12.4 Procedure D (Evaluation with physical properties change)
13 Test report
25 Annex A (informative) Ozone cracking — Explanatory notes
27 Annex B (normative) Calibration schedule
29 Annex C (informative) Ozone cracking — Rating scales
30 Bibliography

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BS ISO 1431-1:2022
$167.15