# ISO 7323:1985 — Withdrawn and superseded ISO standards

For ISO 7323:1985, item title is Rubber, raw and unvulcanized compounded — Determination of plasticity number and recovery number — Parallel plate method; status code is 9599; successor is ISO 7323:2006; withdrawn / published date is 1985-08-15, recorded from its source on 2026-08-05.

- **Identifier:** ISO 7323:1985 _(verified: appears in the quote below)_
- **Item title:** Rubber, raw and unvulcanized compounded — Determination of plasticity number and recovery number — Parallel plate method _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 7323:2006
- **Withdrawn / published date:** 1985-08-15 _(verified: appears in the quote below)_

## What the source says

> 13994,IS,,ISO 7323:1985,"Rubber, raw and unvulcanized compounded — Determination of plasticity number and recovery number — Parallel plate method",Caoutchouc brut et mélanges non vulcanisés — Détermination de l'indice de plasticité et de l'indice de recouvrance — Méthode des plateaux parallèles,1985-08-15,1,"['83.060','83.040.10']",ISO/TC 45/SC 2,9599,,[43675],"['en','fr']",3,<p>Describes the method using the parallel plate plastometer and gives the definition of the plasticity number and recovery number. Two figures show the typical parallel plate plastometer and hardened steel die for forming the test piece.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).