# ISO 178:1993 — Withdrawn and superseded ISO standards

For ISO 178:1993, item title is Plastics — Determination of flexural properties; status code is 9599; successor is ISO 178:2001; withdrawn / published date is 1993-05-06, recorded from its source on 2026-08-05.

- **Identifier:** ISO 178:1993 _(verified: appears in the quote below)_
- **Item title:** Plastics — Determination of flexural properties _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 178:2001
- **Withdrawn / published date:** 1993-05-06 _(verified: appears in the quote below)_

## What the source says

> 4016,IS,,ISO 178:1993,Plastics — Determination of flexural properties,Plastiques — Détermination des propriétés en flexion,1993-05-06,3,['83.080.01'],ISO/TC 61/SC 2,9599,[4015],[31258],"['en','fr']",8,"<p>The principle of the method specified is to deflect the test specimen, supported as a beam, at constant rate at the midspan until the specimen fractures or until the deformation reaches some predetermined value. During this procedure the force applied to the specimen is measured. The method is applicable to rigid thermoplastics moulding and extrusion materials, rigid thermosetting moulding materials, fibre-reinforced thermoset and thermoplastics composites, thermotropic liquid-crystal polym

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).