# ISO 6721-9:1997/Amd 1:2007 — Withdrawn and superseded ISO standards

For ISO 6721-9:1997/Amd 1:2007, item title is Plastics — Determination of dynamic mechanical properties — Part 9: Tensile vibration — Sonic-pulse propagation method — Amendment 1: Precision; status code is 9599; successor is ISO 6721-9:2019; withdrawn / published date is 2007-11-06, recorded from its source on 2026-08-05.

- **Identifier:** ISO 6721-9:1997/Amd 1:2007 _(verified: appears in the quote below)_
- **Item title:** Plastics — Determination of dynamic mechanical properties — Part 9: Tensile vibration — Sonic-pulse propagation method — Amendment 1: Precision _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 6721-9:2019
- **Withdrawn / published date:** 2007-11-06 _(verified: appears in the quote below)_

## What the source says

> 38238,IS,Amd,ISO 6721-9:1997/Amd 1:2007,Plastics — Determination of dynamic mechanical properties — Part 9: Tensile vibration — Sonic-pulse propagation method — Amendment 1: Precision,Plastiques — Détermination des propriétés mécaniques dynamiques — Partie 9: Vibration en traction — Méthode de propagation de signaux acoustiques — Amendement 1: Fiabilité,2007-11-06,1,['83.080.01'],ISO/TC 61/SC 2,9599,,[74987],['en'],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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).