# ISO 7823-1:1991 — Withdrawn and superseded ISO standards

For ISO 7823-1:1991, item title is Poly(methyl methacrylate) sheets — Types, dimensions and characteristics — Part 1: Cast sheets; status code is 9599; successor is ISO 7823-1:1998; withdrawn / published date is 1991-11-14, recorded from its source on 2026-08-05.

- **Identifier:** ISO 7823-1:1991 _(verified: appears in the quote below)_
- **Item title:** Poly(methyl methacrylate) sheets — Types, dimensions and characteristics — Part 1: Cast sheets _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 7823-1:1998
- **Withdrawn / published date:** 1991-11-14 _(verified: appears in the quote below)_

## What the source says

> 14743,IS,,ISO 7823-1:1991,"Poly(methyl methacrylate) sheets — Types, dimensions and characteristics — Part 1: Cast sheets","Plaques en poly(méthacrylate de méthyle) — Types, dimensions et caractéristiques — Partie 1: Plaques coulées",1991-11-14,2,['83.140.10'],ISO/TC 61/SC 11,9599,[14742],[28184],"['en','fr']",6,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).