# ISO 307:2003 — Withdrawn and superseded ISO standards

For ISO 307:2003, item title is Plastics — Polyamides — Determination of viscosity number; status code is 9599; successor is ISO 307:2007; withdrawn / published date is 2003-08-19, recorded from its source on 2026-08-05.

- **Identifier:** ISO 307:2003 _(verified: appears in the quote below)_
- **Item title:** Plastics — Polyamides — Determination of viscosity number _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 307:2007
- **Withdrawn / published date:** 2003-08-19 _(verified: appears in the quote below)_

## What the source says

> 31278,IS,,ISO 307:2003,Plastics — Polyamides — Determination of viscosity number,Plastiques — Polyamides — Détermination de l'indice de viscosité,2003-08-19,4,['83.080.20'],ISO/TC 61/SC 9,9599,[4245],[37361],"['en','fr']",21,"<p>ISO 307:2003 specifies a method for the determination of the viscosity number (also referred to as reduced viscosity) of dilute solutions of polyamides in certain specified solvents.</p><p>The method is applicable to the polyamides designated PA 46, PA 6, PA 66, PA 69, PA 610, PA 612, PA 11, PA 12, PA 6T/66 and PA MXD6 as defined in ISO 1874-1, as well as to copolyamides and other polyamides that are soluble in one of the specified solvents under the specified condit

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).