# ISO 438:1980 — Withdrawn and superseded ISO standards

For ISO 438:1980, item title is Paper — Determination of bulking thickness and apparent density; status code is 9599; successor is ISO 534:1988; withdrawn / published date is 1980-10-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 438:1980 _(verified: appears in the quote below)_
- **Item title:** Paper — Determination of bulking thickness and apparent density _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 534:1988
- **Withdrawn / published date:** 1980-10-01 _(verified: appears in the quote below)_

## What the source says

> 4451,IS,,ISO 438:1980,Paper — Determination of bulking thickness and apparent density,Papier — Détermination de l'épaisseur moyenne et de la masse volumique,1980-10-01,1,['85.060'],ISO/TC 6/SC 2,9599,,[4606],"['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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).