# ISO 4656-2:1981 — Withdrawn and superseded ISO standards

For ISO 4656-2:1981, item title is Rubber compounding ingredients — Carbon black — Determination of dibutylphthalate absorption number — Part 2: Method using plastograph or plasticorder; status code is 9599; successor is ISO 4656-2:1991; withdrawn / published date is 1981-09-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4656-2:1981 _(verified: appears in the quote below)_
- **Item title:** Rubber compounding ingredients — Carbon black — Determination of dibutylphthalate absorption number — Part 2: Method using plastograph or plasticorder _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4656-2:1991
- **Withdrawn / published date:** 1981-09-01 _(verified: appears in the quote below)_

## What the source says

> 10626,IS,,ISO 4656-2:1981,Rubber compounding ingredients — Carbon black — Determination of dibutylphthalate absorption number — Part 2: Method using plastograph or plasticorder,Ingrédients de mélange du caoutchouc — Noir de carbone — Détermination de l'indice d'absorption de phtalate de dibutyle — Partie 2: Méthode au plastographe ou au plasticorder,1981-09-01,1,['83.040.20'],ISO/TC 45,9599,,[10627],"['en','fr']",5,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).