prSRPS EN ISO 4484-4:2025

Textiles and textile products - Microplastics from textile sources - Part 4: Quantitative thermal or gravimetric analysis of certain synthetic materials released from fabrics during washing

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)