prEN ISO 20200
(Main)Plastics - Determination of the degree of disintegration of plastic materials under composting conditions in a laboratory-scale test (ISO/DIS 20200:2022)
Plastics - Determination of the degree of disintegration of plastic materials under composting conditions in a laboratory-scale test (ISO/DIS 20200:2022)
Kunststoffe - Bestimmung des Zersetzungsgrades von Kunststoffmaterialien unter nachgebildeten Kompostierungsbedingungen mittels einer Prüfung im Labormaßstab (ISO/DIS 20200:2022)
Plastiques - Détermination du degré de désintégration de matériaux plastiques dans des conditions de compostage lors d’un essai de laboratoire (ISO/DIS 20200:2022)
Polimerni materiali - Ugotavljanje razpada polimernih materialov pri kompostiranju v laboratorijskem merilu (ISO/DIS 20200:2022)
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Standards Content (Sample)
SLOVENSKI STANDARD
oSIST prEN ISO 20200:2023
01-februar-2023
Polimerni materiali - Ugotavljanje razpada polimernih materialov pri kompostiranju
v laboratorijskem merilu (ISO/DIS 20200:2022)
Plastics - Determination of the degree of disintegration of plastic materials under
composting conditions in a laboratory-scale test (ISO/DIS 20200:2022)
Kunststoffe - Bestimmung des Zersetzungsgrades von Kunststoffmaterialien unter
nachgebildeten Kompostierungsbedingungen mittels einer Prüfung im Labormaßstab
(ISO/DIS 20200:2022)
Plastiques - Détermination du degré de désintégration de matériaux plastiques dans des
conditions de compostage lors d’un essai de laboratoire (ISO/DIS 20200:2022)
Ta slovenski standard je istoveten z: prEN ISO 20200
ICS:
83.080.01 Polimerni materiali na Plastics in general
splošno
oSIST prEN ISO 20200:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN ISO 20200:2023
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oSIST prEN ISO 20200:2023
DRAFT INTERNATIONAL STANDARD
ISO/DIS 20200
ISO/TC 61/SC 14 Secretariat: DIN
Voting begins on: Voting terminates on:
2022-12-23 2023-03-17
Plastics — Determination of the degree of disintegration
of plastic materials under composting conditions in a
laboratory-scale test
ICS: 83.080.01
This document is circulated as received from the committee secretariat.
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENT AND APPROVAL. IT IS
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NOT BE REFERRED TO AS AN INTERNATIONAL
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PROVIDE SUPPORTING DOCUMENTATION. © ISO 2022
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oSIST prEN ISO 20200:2023
ISO/DIS 20200:2022(E)
DRAFT INTERNATIONAL STANDARD
ISO/DIS 20200
ISO/TC 61/SC 14 Secretariat: DIN
Voting begins on: Voting terminates on:
Plastics — Determination of the degree of disintegration
of plastic materials under composting conditions in a
laboratory-scale test
ICS: 83.080.01
This document is circulated as received from the committee secretariat.
COPYRIGHT PROTECTED DOCUMENT
THIS DOCUMENT IS A DRAFT CIRCULATED
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© ISO 2022
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NATIONAL REGULATIONS.
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ii
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PROVIDE SUPPORTING DOCUMENTATION. © ISO 2022
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oSIST prEN ISO 20200:2023
ISO/DIS 20200:2022(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 2
5 Synthetic solid waste . .2
6 Composting reactor . 3
7 Procedure .3
7.1 Test material preparation . 3
7.2 Start-up of the test . 4
7.3 Incubation . 4
7.3.1 General . 4
7.3.2 Type 1: constant thermophilic incubation . 4
7.3.3 Type 2: two-stages incubation . 4
7.3.4 Mesophilic incubation (optional) . 5
8 Monitoring the composting process . 5
9 Diagnostic parameters .5
9.1 Odour . . . 5
9.2 Visual appearance . 5
9.3 Chemical analysis . 6
9.4 Determination of dry mass and volatile solids . 6
10 Termination of the test and measurement of the degree of disintegration .6
11 Calculation of degree of disintegration . 6
12 Expression of results .7
13 Validity of the test .7
14 Test report . 7
Bibliography . 9
iii
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oSIST prEN ISO 20200:2023
ISO/DIS 20200:2022(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to
the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see
www.iso.org/iso/foreword.html.
This document was prepared by Technical Committee ISO/TC 61, Plastics, Subcommittee SC 14,
Environmental aspects.
This third edition cancels and replaces the second edition (ISO 20200:2015), which has been technically
revised.
The main changes are as follows:
— the Clause 3 “Terms and definitions” has been updated;
— a new incubation mode (type 2) has been added, based on two stages (Clause 4 and 7.3);
— the dimensions of the samples has been modified (7.1).
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www.iso.org/members.html.
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oSIST prEN ISO 20200:2023
ISO/DIS 20200:2022(E)
Introduction
The test method described in this document determines the degree of disintegration of plastic materials
when exposed to a composting environment. The method does not require special bioreactors, and is
scaled for use in any general-purpose laboratory. It requires the use of a standard and homogeneous
synthetic solid waste. The synthetic waste components are dry, clean, safe products, which can be
stored in the laboratory without any odour or health problems. The synthetic waste is of constant
composition and devoid of any undesired plastic material which could be erroneously identified as test
material at the end of testing, altering the final evaluation. The bioreactors are small, as is the amount
of synthetic waste to be composted (approximately 3 l). With the limited amount of test material,
this method provides a simplified test procedure. This test method is not aimed at determining the
biodegradation of plastic materials under composting conditions. Further testing will be necessary
before being able to claim compostability.
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oSIST prEN ISO 20200:2023
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oSIST prEN ISO 20200:2023
DRAFT INTERNATIONAL STANDARD ISO/DIS 20200:2022(E)
Plastics — Determination of the degree of disintegration
of plastic materials under composting conditions in a
laboratory-scale test
1 Scope
This document specifies a method of determining the degree of disintegration of plastic materials
when exposed to a laboratory-scale composting environment. The method is not applicable to the
determination of the biodegradability of plastic materials under composting conditions. Further testing
is necessary to be able to claim compostability.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
ISO 3310-1, Test sieves — Technical requirements and testing — Part 1: Test sieves of metal wire cloth
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
compost
organic soil conditioner obtained by biodegradation of a mixture consisting principally of vegetable,
fruit and garden residues, occasionally with other organic material and having a limited mineral content
[SOURCE: ISO 14855-2:2018, 3.1, modified — “fruit and garden” was added.]
3.2
compostability
potential of a material to be biodegraded and disintegrated in a defined and controlled composting
process without leaving visible and toxic residues
Note 1 to entry: Should be demonstrated in accordance with ISO 17088 or another suitable standard.
3.3
composting
aerobic process designed to produce compost
3.4
laboratory scale composting
aerobic process designed to produce compost at laboratory scale under environmental conditions
simulating those experienced in an industrial compost pile
3.5
disintegration
physical breakdown of a material into very small fragments
1
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oSIST prEN ISO 20200:2023
ISO/DIS 20200:2022(E)
3.6
dry mass
mass of a sample measured after drying
Note 1 to entry: Dry mass is expressed as a percentage of the mass of the wet sample.
3.7
mesophilic incubation
incubation carried out within a temperature range between 15 °C and 45 °C to allow the development of
mesophilic microorganisms
3.8
thermophilic incubation
incubation carried out within a temperature range between 40 °C and 75 °C to allow the development
of thermophilic microorganisms
3.9
total dry solids
mass of solids obtained by taking a known mass of test material or compost and drying at about 105 °C
to constant mass
[SOURCE: ISO 18606:2013, 3.4]
3.10
volatile solids
amount of solids obtained by subtracting the residue obtained from a known mass of test material or
compost after heating in inert atmosphere at about 550 °C from the total dry solids content of the same
sample
Note 1 to entry: The volatile-solids content is an indication of the amount of organic matter present.
4 Principle
The method determines the degree of disintegration of test materials on a laboratory scale under
conditions simulating an intensive aerobic composting process. The solid matrix used consists of a
synthetic solid waste inoculated with mature compost taken from a municipal or industrial composting
plant. Pieces of the plastic test material are incubated with this prepared solid matrix. There are two
types of incubation. The first (type 1) is the one originally applied to this test method. It involves
maintaining the reactors at a constant temperature of 58 °C for 84 days. The second (type 2) involves a
first incubation period at 58 °C (duration 56 days), followed by a second period at 45 °C (until 84 days).
The second method has been added to simulate a decreasing temperature profile over time similar
to the one set for standard test method ISO 16929:2021. The degree of disintegration is determined
after a composting cycle, by sieving the final matrix through a 2 mm sieve in order to recover the non-
disintegrated residues. The reduction in mass of the test sample is considered as disintegrated material
and used to calculate the degree of disintegration.
5 Synthetic solid waste
The composition of the synthetic waste used in this method is described in Table 1.
Well aerated compost from a municipal or industrial aerobic composting plant shall be used as the
inoculum. The compost inoculum shall be homogeneous and free from large inert objects such as glass,
stones, or pieces of metal. Remove any such
...
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