# ISO 2031:1991 — Withdrawn and superseded ISO standards

For ISO 2031:1991, item title is Granulated cork — Determination of bulk density; status code is 9599; successor is ISO/WD 2031 | ISO 2031:2015; withdrawn / published date is 1991-05-02, recorded from its source on 2026-08-05.

- **Identifier:** ISO 2031:1991 _(verified: appears in the quote below)_
- **Item title:** Granulated cork — Determination of bulk density _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/WD 2031 | ISO 2031:2015
- **Withdrawn / published date:** 1991-05-02 _(verified: appears in the quote below)_

## What the source says

> 6804,IS,,ISO 2031:1991,Granulated cork — Determination of bulk density,Granulés crus de liège — Détermination de la masse volumique,1991-05-02,2,['79.100'],ISO/TC 87,9599,[6803],"[28112,68750]","['en','fr']",2,"<p>Specifies the apparatus, the preparation and number of samples, and the test procedure; describes the expression of results and the contents of the test report. This second edition cancels and replaces the first edition (1972).</p>"

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).