# ISO 4656-2:1991 — Withdrawn and superseded ISO standards For ISO 4656-2:1991, item title is Rubber compounding ingredients — Carbon black — Determination of dibutyl phthalate absorption number — Part 2: Method using plastograph or plasticorder; status code is 9599; successor is ISO 4656:2007; withdrawn / published date is 1991-12-12, recorded from its source on 2026-08-05. - **Identifier:** ISO 4656-2:1991 _(verified: appears in the quote below)_ - **Item title:** Rubber compounding ingredients — Carbon black — Determination of dibutyl phthalate 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the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 4656:2007 - **Withdrawn / published date:** 1991-12-12 _(verified: appears in the quote below)_ ## What the source says > 10627,IS,,ISO 4656-2:1991,Rubber compounding ingredients — Carbon black — Determination of dibutyl phthalate 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,1991-12-12,2,['83.040.20'],ISO/TC 45/SC 3,9599,[10626],[41303],"['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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).