Draft International Standard
ISO/DIS 21257
Plastics — Polymer polyols for use in the production of polyurethane — Determination of the residual acrylonitrile and styrene monomer content by gas chromatography
Reference number
ISO/DIS 21257
Edition 2
International Standard
Read sample
ISO/DIS 21257
This Draft International Standard is in the enquiry phase with ISO members.
Will replace ISO 21257:2018


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

General information

  •  : Under development
    : Full report circulated: DIS approved for registration as FDIS [40.99]
  •  : 2
  • ISO/TC 61/SC 12
  • RSS updates

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