# ISO 14631:1999 — Withdrawn and superseded ISO standards

For ISO 14631:1999, item title is Extruded sheets of impact-modified polystyrene (PS-I) — Requirements and test methods; status code is 9599; successor is ISO 14631:2021; withdrawn / published date is 1999-02-04, recorded from its source on 2026-08-05.

- **Identifier:** ISO 14631:1999 _(verified: appears in the quote below)_
- **Item title:** Extruded sheets of impact-modified polystyrene (PS-I) — Requirements and test methods _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 14631:2021
- **Withdrawn / published date:** 1999-02-04 _(verified: appears in the quote below)_

## What the source says

> 24988,IS,,ISO 14631:1999,Extruded sheets of impact-modified polystyrene (PS-I) — Requirements and test methods,Plaques extrudées en polystyrène modifié résistant au choc (PS-I) — Prescriptions et méthodes d'essai,1999-02-04,1,['83.140.10'],ISO/TC 61/SC 11,9599,,[82373],"['en','fr']",12,"<p>This standard specifies the requirements and test methods for solid flat extruded sheets of impact-modified polystyrene (PS-I1) without fillers and reinforcing materials. This standard applies only to thickness 0,25 mm to 20,0 mm in accordance with clause 3. This standard also applies to PS-I sheet in roll form.</p>"

## 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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).