# ISO 7391-1:1996 — Withdrawn and superseded ISO standards

For ISO 7391-1:1996, item title is Plastics — Polycarbonate (PC) moulding and extrusion materials — Part 1: Designation system and basis for specifications; status code is 9599; successor is ISO 7391-1:2006; withdrawn / published date is 1996-11-21, recorded from its source on 2026-08-05.

- **Identifier:** ISO 7391-1:1996 _(verified: appears in the quote below)_
- **Item title:** Plastics — Polycarbonate (PC) 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 7391-1:2006
- **Withdrawn / published date:** 1996-11-21 _(verified: appears in the quote below)_

## What the source says

> 25181,IS,,ISO 7391-1:1996,Plastics — Polycarbonate (PC) moulding and extrusion materials — Part 1: Designation system and basis for specifications,Plastiques — Polycarbonate (PC) pour moulage et extrusion — Partie 1: Système de désignation et base de spécification,1996-11-21,2,['83.080.20'],ISO/TC 61/SC 9,9599,[14101],[36275],"['en','fr']",7,"<p>Establishes a system of designation for polycarbonate thermoplastic material. The polycarbonate plastics are differentiated from each other by a classification system based on designatory properties such as viscosity number, melt flow rate, Charpy impact strength and on information about the intended application and/or method of processing. Applies t

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).