# ISO 306:2004 — Withdrawn and superseded ISO standards

For ISO 306:2004, item title is Plastics — Thermoplastic materials — Determination of Vicat softening temperature (VST); status code is 9599; successor is ISO 306:2013; withdrawn / published date is 2004-07-13, recorded from its source on 2026-08-05.

- **Identifier:** ISO 306:2004 _(verified: appears in the quote below)_
- **Item title:** Plastics — Thermoplastic materials — Determination of Vicat softening temperature (VST) _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 306:2013
- **Withdrawn / published date:** 2004-07-13 _(verified: appears in the quote below)_

## What the source says

> 33317,IS,,ISO 306:2004,Plastics — Thermoplastic materials — Determination of Vicat softening temperature (VST),Plastiques — Matières thermoplastiques — Détermination de la température de ramollissement Vicat (VST),2004-07-13,4,['83.080.20'],ISO/TC 61/SC 2,9599,[22081],[55647],"['en','fr']",10,"<p>ISO 306:2004 specifies four methods for the determination of the Vicat softening temperature (VST) of thermoplastic materials: </p><ol><li>Method A50 using a force of 10 N and a heating rate of 50 °C/h</li><li>Method B50 using a force of 50 N and a heating rate of 50 °C/h</li><li>Method A120 using a force of 10 N and a heating rate of 120 °C/h</li><li>Method B120 using a force of 50 N and a heating

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).