# ISO 844:2021 — Withdrawn and superseded ISO standards

For ISO 844:2021, item title is Rigid cellular plastics — Determination of compression properties; status code is 9599; successor is ISO 844:2026; withdrawn / published date is 2021-03-31, recorded from its source on 2026-08-05.

- **Identifier:** ISO 844:2021 _(verified: appears in the quote below)_
- **Item title:** Rigid cellular plastics — Determination of compression properties _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 844:2026
- **Withdrawn / published date:** 2021-03-31 _(verified: appears in the quote below)_

## What the source says

> 73560,IS,,ISO 844:2021,Rigid cellular plastics — Determination of compression properties,Plastiques alvéolaires rigides — Détermination des caractéristiques de compression,2021-03-31,7,['83.100'],ISO/TC 61/SC 10,9599,[55473],[86145],"['en','fr']",15,"<p>This document specifies methods for determining the compressive strength and corresponding relative deformation, the compressive stress at 10 % relative deformation, and the compressive modulus of rigid cellular plastics.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).