# ISO 2453:1991 — Withdrawn and superseded ISO standards

For ISO 2453:1991, item title is Rubber, raw styrene-butadiene, emulsion-polymerized — Determination of bound styrene content — Refractive index method; status code is 9599; successor is ISO 2453:2020; withdrawn / published date is 1991-06-27, recorded from its source on 2026-08-05.

- **Identifier:** ISO 2453:1991 _(verified: appears in the quote below)_
- **Item title:** Rubber, raw styrene-butadiene, emulsion-polymerized — Determination of bound styrene content — Refractive index method _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 2453:2020
- **Withdrawn / published date:** 1991-06-27 _(verified: appears in the quote below)_

## What the source says

> 7369,IS,,ISO 2453:1991,"Rubber, raw styrene-butadiene, emulsion-polymerized — Determination of bound styrene content — Refractive index method",Caoutchouc butadiène-styrène brut polymérisé en émulsion — Détermination de la teneur en styrène lié — Méthode par l'indice de réfraction,1991-06-27,2,['83.040.10'],ISO/TC 45/SC 3,9599,[7368],[72854],"['en','fr']",6,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).