# ISO 3521:1976 — Withdrawn and superseded ISO standards

For ISO 3521:1976, item title is Plastics — Polyester and epoxy casting resins — Determination of total volume shrinkage; status code is 9599; successor is ISO 3521:1997; withdrawn / published date is 1976-09-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 3521:1976 _(verified: appears in the quote below)_
- **Item title:** Plastics — Polyester and epoxy casting resins — Determination of total volume shrinkage _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 3521:1997
- **Withdrawn / published date:** 1976-09-01 _(verified: appears in the quote below)_

## What the source says

> 8894,IS,,ISO 3521:1976,Plastics — Polyester and epoxy casting resins — Determination of total volume shrinkage,Matières plastiques — Résines de polyesters et d'époxydes coulées — Détermination du retrait global en volume,1976-09-01,1,['83.080.10'],ISO/TC 61/SC 12,9599,,[8895],"['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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).