# ISO 535:1991 — Withdrawn and superseded ISO standards

For ISO 535:1991, item title is Paper and board — Determination of water absorptiveness — Cobb method; status code is 9599; successor is ISO 535:2014; withdrawn / published date is 1991-07-11, recorded from its source on 2026-08-05.

- **Identifier:** ISO 535:1991 _(verified: appears in the quote below)_
- **Item title:** Paper and board — Determination of water absorptiveness — Cobb method _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 535:2014
- **Withdrawn / published date:** 1991-07-11 _(verified: appears in the quote below)_

## What the source says

> 4608,IS,,ISO 535:1991,Paper and board — Determination of water absorptiveness — Cobb method,Papier et carton — Détermination de l'absorption d'eau — Méthode de Cobb,1991-07-11,2,['85.060'],ISO/TC 6/SC 2,9599,[4607],[61486],"['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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).