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BS ISO 1431-1:2022 – TC

BS ISO 1431-1:2022 – TC

$217.84

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

Published By Publication Date Number of Pages
BSI 2022 74
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PDF Catalog

PDF Pages PDF Title
1 30459885
41 A-30410874
42 undefined
47 Foreword
48 Introduction
49 1 Scope
2 Normative references
3 Terms and definitions
50 4 Principle
5 Apparatus
5.1 Test chamber without humidity control (see Figure 1)
51 5.2 Test chamber with humidity control (see Figure 2)
52 5.3 Source of ozonized air
53 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
54 5.8 Mounting test pieces for static strain testing
5.9 Mounting test pieces for dynamic strain testing
55 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
56 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
57 8.2 Conditioning in the strained state (for static strain testing only)
9 Test conditions
9.1 Ozone concentration
9.2 Temperature
58 9.3 Relative humidity
9.4 Maximum elongation
9.5 Exposure period
10 Static strain testing
10.1 General
10.2 Procedure A
59 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
60 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)
61 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)
62 12.3.2 Procedure C.2 (Evaluation with image analysing technique)
63 12.4 Procedure D (Evaluation with physical properties change)
13 Test report
65 Annex A (informative) Ozone cracking — Explanatory notes
67 Annex B (normative) Calibration schedule
69 Annex C (informative) Ozone cracking — Rating scales
70 Bibliography

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BS ISO 1431-1:2022 - TC
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