# ISO 7326:1991 — Withdrawn and superseded ISO standards

For ISO 7326:1991, item title is Rubber and plastics hoses — Assessment of ozone resistance under static conditions; status code is 9599; successor is Withdrawn 7326/Amd 1 | ISO 7326:2006; withdrawn / published date is 1991-02-07, recorded from its source on 2026-08-05.

- **Identifier:** ISO 7326:1991 _(verified: appears in the quote below)_
- **Item title:** Rubber and plastics hoses — Assessment of ozone resistance under static conditions _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** Withdrawn 7326/Amd 1 | ISO 7326:2006
- **Withdrawn / published date:** 1991-02-07 _(verified: appears in the quote below)_

## What the source says

> 14001,IS,,ISO 7326:1991,Rubber and plastics hoses — Assessment of ozone resistance under static conditions,Tuyaux en caoutchouc et en plastique — Évaluation de la résistance à l'ozone dans des conditions statiques,1991-02-07,2,['23.040.70'],ISO/TC 45/SC 1,9599,[14000],"[20163,40963]","['en','fr']",4,"<p>This second edition cancels and replaces the first edition (ISO 7326 :1984), clause 1 of which has been technically revised. Specifies three methods. The results of tests carried out in accordance with method 1 may not be comparable with the results obtained when tests are carried out in accordance with methods 2 and 3. For hoses with built-in fittings from which it is not possible to take te

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).