# ISO 1622-1:1994 — Withdrawn and superseded ISO standards

For ISO 1622-1:1994, item title is Plastics — Polystyrene (PS) moulding and extrusion materials — Part 1: Designation system and basis for specifications; status code is 9599; successor is ISO 1622-1:2012; withdrawn / published date is 1994-10-20, recorded from its source on 2026-08-05.

- **Identifier:** ISO 1622-1:1994 _(verified: appears in the quote below)_
- **Item title:** Plastics — Polystyrene (PS) 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 1622-1:2012
- **Withdrawn / published date:** 1994-10-20 _(verified: appears in the quote below)_

## What the source says

> 22627,IS,,ISO 1622-1:1994,Plastics — Polystyrene (PS) moulding and extrusion materials — Part 1: Designation system and basis for specifications,Plastiques — Polystyrène (PS) pour moulage et extrusion — Partie 1: Système de désignation et base de spécification,1994-10-20,2,['83.080.20'],ISO/TC 61/SC 9,9599,[6220],[55459],"['en','fr']",5,"<p>Cancels and replaces the firs edition (1985). Establishes a system of designation for polystyrene thermoplastic material, which may be used as the basis for specifications. Applicable to all amorphous polystyrene homopolymers. Applies to materials ready for normal use, unmodified or modified by colorants, additives, fillers etc. Does not apply to expanded

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).