# ISO 3451-4:1986 — Withdrawn and superseded ISO standards

For ISO 3451-4:1986, item title is Plastics — Determination of ash — Part 4: Polyamides; status code is 9599; successor is ISO 3451-4:1998; withdrawn / published date is 1986-08-28, recorded from its source on 2026-08-05.

- **Identifier:** ISO 3451-4:1986 _(verified: appears in the quote below)_
- **Item title:** Plastics — Determination of ash — Part 4: Polyamides _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 3451-4:1998
- **Withdrawn / published date:** 1986-08-28 _(verified: appears in the quote below)_

## What the source says

> 8785,IS,,ISO 3451-4:1986,Plastics — Determination of ash — Part 4: Polyamides,Plastiques — Détermination du taux de cendres — Partie 4: Polyamides,1986-08-28,1,['83.080.20'],ISO/TC 61/SC 5,9599,,[27078],"['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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).