# ISO 307:2007 — Withdrawn and superseded ISO standards

For ISO 307:2007, item title is Plastics — Polyamides — Determination of viscosity number; status code is 9599; successor is ISO 307:2019; withdrawn / published date is 2007-05-15, recorded from its source on 2026-08-05.

- **Identifier:** ISO 307:2007 _(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 307:2019
- **Withdrawn / published date:** 2007-05-15 _(verified: appears in the quote below)_

## What the source says

> 37361,IS,,ISO 307:2007,Plastics — Polyamides — Determination of viscosity number,Plastiques — Polyamides — Détermination de l'indice de viscosité,2007-05-15,5,['83.080.20'],ISO/TC 61/SC 9,9599,[31278],[70409],"['en','fr']",33,"<p>ISO 307:2007 specifies a method for the determination of the viscosity number of dilute solutions of polyamides in certain specified solvents. </p><p>For pure polyamides or polyamides containing additives that do not interfere with the viscosity measurement, the determination of the viscosity number of a polyamide provides a measure of the molecular mass of the polymer. The viscosity number of pure polyamides or polyamides which contain additives that do not interfe

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).