# ISO 2303:2011 — Withdrawn and superseded ISO standards

For ISO 2303:2011, item title is Isoprene rubber (IR) — Non-oil-extended, solution-polymerized types — Evaluation procedures; status code is 9599; successor is ISO 2303:2019; withdrawn / published date is 2011-08-12, recorded from its source on 2026-08-05.

- **Identifier:** ISO 2303:2011 _(verified: appears in the quote below)_
- **Item title:** Isoprene rubber (IR) — Non-oil-extended, solution-polymerized types — Evaluation procedures _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 2303:2019
- **Withdrawn / published date:** 2011-08-12 _(verified: appears in the quote below)_

## What the source says

> 52995,IS,,ISO 2303:2011,"Isoprene rubber (IR) — Non-oil-extended, solution-polymerized types — Evaluation procedures",Caoutchouc isoprène (IR) — Types polymérisés en solution et non étendus à l'huile — Méthode d'évaluation,2011-08-12,5,['83.060'],ISO/TC 45/SC 3,9599,[29382],[75626],"['en','fr','ru']",14,"<p>ISO 2303:2011 specifies, for general-purpose non-oil-extended, solution-polymerized polyisoprene rubbers (IR):</p><ul><li>physical and chemical tests on raw rubbers;</li><li>standard materials, a standard test formulation, equipment and processing methods for evaluating the vulcanization characteristics.</li></ul>"

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).