# ISO 4658:1999/Amd 1:2004 — Withdrawn and superseded ISO standards

For ISO 4658:1999/Amd 1:2004, item title is Acrylonitrile-butadiene rubber (NBR) —  Evaluation procedure — Amendment 1; status code is 9599; successor is ISO 4658:2020 | ISO/DIS 4658; withdrawn / published date is 2004-10-21, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4658:1999/Amd 1:2004 _(verified: appears in the quote below)_
- **Item title:** Acrylonitrile-butadiene rubber (NBR) —  Evaluation procedure — Amendment 1 _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4658:2020 | ISO/DIS 4658
- **Withdrawn / published date:** 2004-10-21 _(verified: appears in the quote below)_

## What the source says

> 35839,IS,Amd,ISO 4658:1999/Amd 1:2004,Acrylonitrile-butadiene rubber (NBR) — Evaluation procedure — Amendment 1,Caoutchouc acrylonitrile-butadiène (NBR) — Méthode d'évaluation — Amendement 1,2004-10-21,3,['83.060'],ISO/TC 45/SC 3,9599,,"[77458,55618]","['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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).