ISO 4484-3:2023
Textiles and textile products — Microplastics from textile sources — Part 3: Measurement of collected material mass released from textile end products by domestic washing method
This document specifies a method for measuring the collected material mass released from the outlet hose of a standard washing machine, described in ISO 6330, through the washing process.
NOTE The washing condition of textile end products is indicated by the care labelling according to ISO 3758.
This document is applicable to textile end products (including consumer textile products, such as clothing made of fleece, shirts, trousers, blouse, etc.) and home textile end products (such as, blankets, rugs, curtains, etc.) which are composed of all fibres such as natural fibres, and man-made fibres, including mixture of the fibres that can be washed in a domestic washing machine.
This document is not applicable to fabrics and cut textile products. It does not cover the test for washing machines and detergents as well.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Reagents
7 Test condition
7.1 Standard atmosphere for preparation of test specimens and mass measurement
7.2 Test atmosphere for washing test
8 Test specimen preparation
9 Test procedure
9.1 General
9.2 Empty washing cycle before the washing test
9.3 Washing test of the test specimen
9.4 Washing of the collected material from the filter bag
9.5 Measurement of the mass of the collected materials
10 Calculation
10.1 Calculation for each test run
10.2 Calculation of average for 3 test runs
11 Repeatability and reproducibility
12 Test report
Annex A (informative) Filter fabric specification and filter bag construction
Annex B (normative) Requirements of the washing machine to be used in this test
Annex C (informative) Number of empty washing cycles after test washing
Annex D (informative) Reference detergent
Annex E (informative) Condition of the multiple washing cycle test and example of the test result
Annex F (informative) Interlaboratory trial
Annex G (informative) Number of test specimens
Annex H (informative) Collection percentage of the fibre fragments
Annex I (informative) Filter aperture size
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Reagents
7 Test condition
7.1 Standard atmosphere for preparation of test specimens and mass measurement
7.2 Test atmosphere for washing test
8 Test specimen preparation
9 Test procedure
9.1 General
9.2 Empty washing cycle before the washing test
9.3 Washing test of the test specimen
9.4 Washing of the collected material from the filter bag
9.5 Measurement of the mass of the collected materials
10 Calculation
10.1 Calculation for each test run
10.2 Calculation of average for 3 test runs
11 Repeatability and reproducibility
12 Test report
Annex A (informative) Filter fabric specification and filter bag construction
Annex B (normative) Requirements of the washing machine to be used in this test
Annex C (informative) Number of empty washing cycles after test washing
Annex D (informative) Reference detergent
Annex E (informative) Condition of the multiple washing cycle test and example of the test result
Annex F (informative) Interlaboratory trial
Annex G (informative) Number of test specimens
Annex H (informative) Collection percentage of the fibre fragments
Annex I (informative) Filter aperture size
Bibliography