# ISO 1270:1975 — Withdrawn and superseded ISO standards For ISO 1270:1975, item title is Plastics — PVC resins — Determination of ash and sulphated ash; status code is 9599; successor is ISO 3451-5:1989; withdrawn / published date is 1975-06-01, recorded from its source on 2026-08-05. - **Identifier:** ISO 1270:1975 _(verified: appears in the quote below)_ - **Item title:** Plastics — PVC resins — Determination of ash and sulphated ash _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 3451-5:1989 - **Withdrawn / published date:** 1975-06-01 _(verified: appears in the quote below)_ ## What the source says > 5871,IS,,ISO 1270:1975,Plastics — PVC resins — Determination of ash and sulphated ash,Matières plastiques — Résines de polychlorure de vinyle — Détermination des cendres et des cendres sulfatées,1975-06-01,1,['83.080.20'],ISO/TC 61,9599,,[8786],"['en','fr']",2, ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).