# ISO 6721-7:1996 — Withdrawn and superseded ISO standards

For ISO 6721-7:1996, item title is Plastics — Determination of dynamic mechanical properties — Part 7: Torsional vibration — Non-resonance method; status code is 9599; successor is ISO 6721-7:2019; withdrawn / published date is 1996-05-23, recorded from its source on 2026-08-05.

- **Identifier:** ISO 6721-7:1996 _(verified: appears in the quote below)_
- **Item title:** Plastics — Determination of dynamic mechanical properties — Part 7: Torsional vibration — Non-resonance method _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 6721-7:2019
- **Withdrawn / published date:** 1996-05-23 _(verified: appears in the quote below)_

## What the source says

> 24332,IS,,ISO 6721-7:1996,Plastics — Determination of dynamic mechanical properties — Part 7: Torsional vibration — Non-resonance method,Plastiques — Détermination des propriétés mécaniques dynamiques — Partie 7: Vibration en torsion — Méthode hors résonance,1996-05-23,1,['83.080.01'],ISO/TC 61/SC 5,9599,,[73147],"['en','fr']",7,"<p>Describes a torsional vibration method for determining the components of the shear complex modulus G/Zeichen) of solid polymers in the form of bars or rods at frequencies typically in the range 0,001 Hz to 100 Hz. Suitable for measuring dynamic storage moduli ranging from about 10 MPa to values of about 10 GPa. Particularly suited to the measurement of loss facto

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).