# ISO 4658:1990 — Withdrawn and superseded ISO standards

For ISO 4658:1990, item title is Rubber, acrylonitrile-butadiene (NBR) — Evaluation procedure; status code is 9599; successor is ISO 4658:1999; withdrawn / published date is 1990-12-06, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4658:1990 _(verified: appears in the quote below)_
- **Item title:** Rubber, acrylonitrile-butadiene (NBR) — Evaluation procedure _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4658:1999
- **Withdrawn / published date:** 1990-12-06 _(verified: appears in the quote below)_

## What the source says

> 10629,IS,,ISO 4658:1990,"Rubber, acrylonitrile-butadiene (NBR) — Evaluation procedure",Caoutchouc acrylonitrile-butadiène (NBR) — Méthode d'évaluation,1990-12-06,2,['83.060'],ISO/TC 45/SC 3,9599,[10628],[27917],"['en','fr']",4,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).