# ISO 1658:1973/Amd 1:1976 — Withdrawn and superseded ISO standards

For ISO 1658:1973/Amd 1:1976, item title is Natural rubber (NR) — Test recipes and evaluation of vulcanization characteristics — Amendment 1; status code is 9599; successor is ISO 1658:1994; withdrawn / published date is 1976-08-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 1658:1973/Amd 1:1976 _(verified: appears in the quote below)_
- **Item title:** Natural rubber (NR) — Test recipes and evaluation of vulcanization characteristics — Amendment 1 _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 1658:1994
- **Withdrawn / published date:** 1976-08-01 _(verified: appears in the quote below)_

## What the source says

> 6278,IS,Amd,ISO 1658:1973/Amd 1:1976,Natural rubber (NR) — Test recipes and evaluation of vulcanization characteristics — Amendment 1,Caoutchouc naturel (NR) — Formules et évaluation des propriétés physiques des vulcanisats — Amendement 1,1976-08-01,1,['83.060'],ISO/TC 45/SC 3,9599,,[6277],"['en','fr']",1,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).