# ISO 25137-1:2009 — Withdrawn and superseded ISO standards

For ISO 25137-1:2009, item title is Plastics — Sulfone polymer moulding and extrusion materials — Part 1: Designation system and basis for specifications; status code is 9599; successor is ISO 24025-1:2020; withdrawn / published date is 2009-01-06, recorded from its source on 2026-08-05.

- **Identifier:** ISO 25137-1:2009 _(verified: appears in the quote below)_
- **Item title:** Plastics — Sulfone polymer moulding and extrusion materials — Part 1: Designation system and basis for specifications _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 24025-1:2020
- **Withdrawn / published date:** 2009-01-06 _(verified: appears in the quote below)_

## What the source says

> 42772,IS,,ISO 25137-1:2009,Plastics — Sulfone polymer moulding and extrusion materials — Part 1: Designation system and basis for specifications,Plastiques — Matériaux pour moulage et extrusion à base de polymères sulfone — Partie 1: Système de désignation et base de spécifications,2009-01-06,1,['83.080.20'],ISO/TC 61/SC 9,9599,,[77545],"['en','fr']",11,"<p>ISO 25137-1:2009 establishes a system of designation for sulfone polymer moulding and extrusion materials, including polysulfone (PSU), polyethersulfone (PESU) and polyphenylsulfone (PPSU), which may be used as the basis for specifications.</p><p>The types of sulfone plastic are differentiated from each other by a classification system ba

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).