ISO 21257:2024Published

Plastics — Polymer polyols for use in the production of polyurethanes — Determination of the residual acrylonitrile and styrene monomer content by gas chromatography

Plastiques — Polyols polymères pour la production de polyuréthanes — Détermination de la teneur résiduelle en monomères d'acrylonitrile et de styrène par chromatographie en phase gazeuse

Abstract / scope

This document specifies a method for the determination of the residual acrylonitrile monomer and styrene monomer in polymer polyols by gas chromatography.

Life cycle

Replaces

ISO 21257:2018WithdrawnPlastics — Polymer polyols for use in the production of polyurethane — Determination of the residual acrylonitrile and styrene monomer content by gas chromatographyInternational Standard · Published 3 Oct 2018 · ISO/TC 61/SC 12