# ISO 9967:1994 — Withdrawn and superseded ISO standards

For ISO 9967:1994, item title is Thermoplastics pipes — Determination of creep ratio; status code is 9599; successor is ISO 9967:2007; withdrawn / published date is 1994-02-24, recorded from its source on 2026-08-05.

- **Identifier:** ISO 9967:1994 _(verified: appears in the quote below)_
- **Item title:** Thermoplastics pipes — Determination of creep ratio _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 9967:2007
- **Withdrawn / published date:** 1994-02-24 _(verified: appears in the quote below)_

## What the source says

> 17874,IS,,ISO 9967:1994,Thermoplastics pipes — Determination of creep ratio,Tubes en matières thermoplastiques — Détermination du taux de fluage,1994-02-24,1,['23.040.20'],ISO/TC 138/SC 5,9599,,[44617],"['en','fr']",8,"<p>The principle of the method specified is placing a cut length of pipe between two parallel flat horizontal plates, applying a constant compressive force for 1000 h (42 days), recording the deflection of the pipe at specified intervals so as to prepare a plot of pipe deflection against time, analysing the linearity of the data and calculating the creep ratio. Applies to pipes having a circular cross-section.</p>"

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).