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prEN ISO 4484-4

Textiles and textile products - Microplastics from textile sources - Part 4: Quantitative thermal or gravimetric analysis of certain synthetic materials released from fabrics during washing (ISO/DIS 4484-4:2026)

Publication date:   Jun 18, 2026

General information

40.60   Close of voting   Sep 9, 2026

CEN

CEN/TC 248 Textiles and textile products

European Norm

13.020.40   Pollution, pollution control and conservation

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Scope

This document specifies a thermal method and a gravimetric method for a quantitative determination of the certain synthetic materials (polyester, polyamide, acrylic, elastane, polypropylene and polyethylene) released from fabrics under washing test conditions.

This method is applicable to synthetic fabric and synthetic/natural blended fabric
- Synthetic/cellulosic fabrics (e.g. PET/Cotton, Nylon/Cotton, Acrylic/Cotton)
- Synthetic/protein fabrics (e.g. PET/Wool, Nylon/Wool, Acrylic/Wool)

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prEN ISO 4484-4
40.60 Close of voting
Sep 9, 2026