# ISO 2535:1974 — Withdrawn and superseded ISO standards

For ISO 2535:1974, item title is Plastics — Unsaturated polyester resins — Measurement of gel time at 25 degrees C; status code is 9599; successor is ISO 2535:1997; withdrawn / published date is 1974-06-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 2535:1974 _(verified: appears in the quote below)_
- **Item title:** Plastics — Unsaturated polyester resins — Measurement of gel time at 25 degrees C _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 2535:1997
- **Withdrawn / published date:** 1974-06-01 _(verified: appears in the quote below)_

## What the source says

> 7477,IS,,ISO 2535:1974,Plastics — Unsaturated polyester resins — Measurement of gel time at 25 degrees C,Plastiques — Résines de polyesters non saturés — Mesurage de la durée de gélification à 25 degrés C,1974-06-01,1,['83.080.10'],ISO/TC 61/SC 12,9599,,[27070],"['en','fr']",3,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).