# ISO 2921:1997 — Withdrawn and superseded ISO standards

For ISO 2921:1997, item title is Rubber, vulcanized — Determination of low-temperature characteristics — Temperature-retraction procedure (TR test); status code is 9599; successor is ISO 2921:2005; withdrawn / published date is 1997-04-10, recorded from its source on 2026-08-05.

- **Identifier:** ISO 2921:1997 _(verified: appears in the quote below)_
- **Item title:** Rubber, vulcanized — Determination of low-temperature characteristics — Temperature-retraction procedure (TR test) _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 2921:2005
- **Withdrawn / published date:** 1997-04-10 _(verified: appears in the quote below)_

## What the source says

> 23838,IS,,ISO 2921:1997,"Rubber, vulcanized — Determination of low-temperature characteristics — Temperature-retraction procedure (TR test)",Caoutchouc vulcanisé — Détermination des caractéristiques à basse température — Méthode température-retrait (essai TR),1997-04-10,3,['83.060'],ISO/TC 45/SC 2,9599,[7966],[39931],"['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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).