# ISO 5945:1989 — Withdrawn and superseded ISO standards

For ISO 5945:1989, item title is Rubber — Determination of polyisoprene content; status code is 9599; successor is ISO/DIS 5945; withdrawn / published date is 1989-11-23, recorded from its source on 2026-08-05.

- **Identifier:** ISO 5945:1989 _(verified: appears in the quote below)_
- **Item title:** Rubber — Determination of polyisoprene content _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/DIS 5945
- **Withdrawn / published date:** 1989-11-23 _(verified: appears in the quote below)_

## What the source says

> 12141,IS,,ISO 5945:1989,Rubber — Determination of polyisoprene content,Caoutchouc — Détermination de la teneur en polyisoprène,1989-11-23,2,['83.060'],ISO/TC 45/SC 2,9599,[12140],[43683],"['en','fr']",6,"<p>This ingredient occurs as natural isoprene rubber (NR), synthetic isoprene rubber (IR), balata and gutta percha, in the total solids of NR or IR latices, in solid raw rubbers or in cured or uncured compounds. The method is applicable to these isoprene rubbers alone or in blends. Milling of the test portion as finely as possible is advisable. 2 tables and 2 figures. Annex for information on bibliography. - Replaces the first edition (ISO 5945:1982).</p>"

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).