# ISO 307:1977 — Withdrawn and superseded ISO standards

For ISO 307:1977, item title is Plastics — Determination of viscosity number of polyamides in dilute solution; status code is 9599; successor is ISO 307:1984 | ISO 307:1994; withdrawn / published date is 1977-07-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 307:1977 _(verified: appears in the quote below)_
- **Item title:** Plastics — Determination of viscosity number of polyamides in dilute solution _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 307:1984 | ISO 307:1994
- **Withdrawn / published date:** 1977-07-01 _(verified: appears in the quote below)_

## What the source says

> 4243,IS,,ISO 307:1977,Plastics — Determination of viscosity number of polyamides in dilute solution,Matières plastiques — Détermination de l'indice de viscosité des résines polyamides en solution diluée,1977-07-01,1,['83.080.20'],ISO/TC 61,9599,,"[4244,4245]","['en','fr']",5,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).