# ISO 812:1991 — Withdrawn and superseded ISO standards For ISO 812:1991, item title is Rubber, vulcanized — Determination of low-temperature brittleness; status code is 9599; successor is ISO 812:2006; withdrawn / published date is 1991-11-14, recorded from its source on 2026-08-05. - **Identifier:** ISO 812:1991 _(verified: appears in the quote below)_ - **Item title:** Rubber, vulcanized — Determination of low-temperature brittleness _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 812:2006 - **Withdrawn / published date:** 1991-11-14 _(verified: appears in the quote below)_ ## What the source says > 5158,IS,,ISO 812:1991,"Rubber, vulcanized — Determination of low-temperature brittleness",Caoutchouc vulcanisé — Détermination de la fragilité à basse température,1991-11-14,1,['83.060'],ISO/TC 45/SC 2,9599,"[5159,5157]",[41347],"['en','fr']",6,"

Describes the apparatus and materials, test pieces, the test procedure, and the contents of the test report. This first edition cancels and replaces ISO/R 812:1968. Annex A is for information only.

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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).