# ISO 6721-4:1994 — Withdrawn and superseded ISO standards

For ISO 6721-4:1994, item title is Plastics — Determination of dynamic mechanical properties — Part 4: Tensile vibration — Non-resonance method; status code is 9599; successor is ISO 6721-4:2008; withdrawn / published date is 1994-11-03, recorded from its source on 2026-08-05.

- **Identifier:** ISO 6721-4:1994 _(verified: appears in the quote below)_
- **Item title:** Plastics — Determination of dynamic mechanical properties — Part 4: Tensile vibration — Non-resonance method _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 6721-4:2008
- **Withdrawn / published date:** 1994-11-03 _(verified: appears in the quote below)_

## What the source says

> 20987,IS,,ISO 6721-4:1994,Plastics — Determination of dynamic mechanical properties — Part 4: Tensile vibration — Non-resonance method,Plastiques — Détermination des propriétés mécaniques dynamiques — Partie 4: Vibration en traction — Méthode hors résonance,1994-11-03,1,['83.080.01'],ISO/TC 61/SC 2,9599,"[4611,13166]",[43493],"['en','fr']",6,"<p>Describes a forced, nonresonance method for determining the components of the tensile complex modulus of polymers at frequencies typically in the range 0,01 Hz to 100 Hz. The method is suitable for measuring dynamic storage moduli in the range 0,01 GPa to 5 GPa and to the measurement of loss factors greater than 0,1 und may therefore be conveniently

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).