# ISO 9771:1989 — Withdrawn and superseded ISO standards

For ISO 9771:1989, item title is Plastics — Phenolic resins — Determination of reactivity of resols under acid conditions; status code is 9599; successor is ISO 9771:1995; withdrawn / published date is 1989-12-14, recorded from its source on 2026-08-05.

- **Identifier:** ISO 9771:1989 _(verified: appears in the quote below)_
- **Item title:** Plastics — Phenolic resins — Determination of reactivity of resols under acid conditions _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 9771:1995
- **Withdrawn / published date:** 1989-12-14 _(verified: appears in the quote below)_

## What the source says

> 17632,IS,,ISO 9771:1989,Plastics — Phenolic resins — Determination of reactivity of resols under acid conditions,Plastiques — Résines phénoliques — Détermination de la réactivité des résols dans des conditions acides,1989-12-14,1,['83.080.10'],ISO/TC 61/SC 12,9599,,[25125],"['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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).