# ISO 2921:2011 — Withdrawn and superseded ISO standards

For ISO 2921:2011, item title is Rubber, vulcanized — Determination of low-temperature retraction (TR test); status code is 9599; successor is ISO 2921:2019; withdrawn / published date is 2011-10-18, recorded from its source on 2026-08-05.

- **Identifier:** ISO 2921:2011 _(verified: appears in the quote below)_
- **Item title:** Rubber, vulcanized — Determination of low-temperature retraction (TR test) _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 2921:2019
- **Withdrawn / published date:** 2011-10-18 _(verified: appears in the quote below)_

## What the source says

> 53020,IS,,ISO 2921:2011,"Rubber, vulcanized — Determination of low-temperature retraction (TR test)",Caoutchouc vulcanisé — Détermination du retrait à basse température (essai TR),2011-10-18,5,['83.060'],ISO/TC 45/SC 2,9599,[39931],[72779],"['en','fr','ru']",8,"<p>ISO 2921:2011 specifies a method for the determination of the temperature-retraction characteristics of stretched vulcanized rubber.</p><p>It does not cover thermoplastic rubbers, as many thermoplastic elastomers have a yield point in the range of 5 % to 20 % elongation. This fact might affect the result when carrying out temperature-retraction tests on thermoplastic rubbers, and the results obtained from such tests should be analy

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).