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BS ISO 23832:2021

BS ISO 23832:2021

$142.49

Plastics. Test methods for determination of degradation rate and disintegration degree of plastic materials exposed to marine environmental matrices under laboratory conditions

Published By Publication Date Number of Pages
BSI 2021 24
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This document specifies test methods for the measurement of the physical degradation of samples made with plastics materials when exposed to marine environmental matrices under aerobic conditions at laboratory scale.

This document is not suitable for the assessment of degradation caused by heat (thermo-degradation) or light exposure (photo-degradation).

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Principle
11 5 Reagents
5.2 Artificial seawater
6 Environmental matrix
6.1 Sampling
12 6.2 Preparation of the sediment and seawater
7 Apparatus
7.1 General
13 7.2 Test Method A (Sand burial degradation test)
7.3 Test Method B (Sediment/seawater interface degradation test)
14 7.4 Test Method C (Seawater degradation test)
7.5 Analytical balance
7.6 pH meter
8 Materials
8.1 Test material
8.2 Reference material
8.3 Negative control
15 9 Sample preparation and measurements
9.1 Acclimatisation of samples
9.2 Conditioning before measurements
9.3 Marking of samples
9.4 Protective net
9.5 Tensile properties
16 9.6 Thickness
10 Test set-up
10.1 Incubation
10.2 Sampling times and replicates
10.3 Start of the test
10.3.1 General
17 10.3.2 Test Method A (sand burial degradation test)
10.3.3 Test method B (sediment/seawater interface degradation test)
18 10.3.4 Test method C (Seawater degradation test)
10.4 End of the test
11 Degradation rate
19 12 Degree of disintegration
12.1 General
12.2 Surface area analysis
12.3 Mass loss
20 13 Validity of the test
14 Test report
21 Annex A (informative) Determination of degradation rate — Example
23 Bibliography

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BS ISO 23832:2021
$142.49