ISO 16929:2019
Plastics — Determination of the degree of disintegration of plastic materials under defined composting conditions in a pilot-scale test
This document is used to determine the degree of disintegration of plastic materials in a pilot-scale aerobic composting test under defined conditions. It forms part of an overall scheme for the evaluation of the compostability of plastics as outlined in ISO 17088.
The test method laid down in this document is also used to determine the influence of the test material on the composting process and the quality of the compost obtained. It cannot be used to determine the aerobic biodegradability of a test material. Other methods are available for this (for example, see ISO 14851, ISO 14852 or ISO 14855-1 and ISO 14855-2).
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Test procedure
6.1 Actions before and during incubation
6.1.1 Start-up of the test
6.1.2 Turning
6.1.3 Termination of the test
6.2 Analysis and process control
6.2.1 Start-up of the test
6.2.2 During the test
6.2.3 Termination of the test
7 Calculation
8 Validity of the test
9 Test report
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Test procedure
6.1 Actions before and during incubation
6.1.1 Start-up of the test
6.1.2 Turning
6.1.3 Termination of the test
6.2 Analysis and process control
6.2.1 Start-up of the test
6.2.2 During the test
6.2.3 Termination of the test
7 Calculation
8 Validity of the test
9 Test report
Bibliography