# ISO 6056:1980 — Withdrawn and superseded ISO standards

For ISO 6056:1980, item title is Rubber, vulcanized — Determination of compression stress relaxation (rings); status code is 9599; successor is ISO 6056:1987; withdrawn / published date is 1980-10-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 6056:1980 _(verified: appears in the quote below)_
- **Item title:** Rubber, vulcanized — Determination of compression stress relaxation (rings) _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 6056:1987
- **Withdrawn / published date:** 1980-10-01 _(verified: appears in the quote below)_

## What the source says

> 12255,IS,,ISO 6056:1980,"Rubber, vulcanized — Determination of compression stress relaxation (rings)",Caoutchoucs vulcanisés — Détermination de la relaxation de contrainte en compression (anneaux),1980-10-01,1,['83.060'],ISO/TC 45,9599,,[12256],"['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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).