# ISO 4612:1979 — Withdrawn and superseded ISO standards For ISO 4612:1979, item title is Plastics — PVC paste resins — Preparation of a paste; status code is 9599; successor is ISO 4612:1999; withdrawn / published date is 1979-08-01, recorded from its source on 2026-08-05. - **Identifier:** ISO 4612:1979 _(verified: appears in the quote below)_ - **Item title:** Plastics — PVC paste resins — Preparation of a paste _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 4612:1999 - **Withdrawn / published date:** 1979-08-01 _(verified: appears in the quote below)_ ## What the source says > 10548,IS,,ISO 4612:1979,Plastics — PVC paste resins — Preparation of a paste,Plastiques — Résines PVC pour pâtes — Préparation d'une pâte,1979-08-01,1,['83.080.20'],ISO/TC 61/SC 9,9599,,[25193],"['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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).