# ISO 1628-2:1998 — Withdrawn and superseded ISO standards

For ISO 1628-2:1998, item title is Plastics — Determination of the viscosity of polymers in dilute solution using capillary viscometers — Part 2: Poly(vinyl chloride) resins; status code is 9599; successor is ISO 1628-2:2020; withdrawn / published date is 1998-12-10, recorded from its source on 2026-08-05.

- **Identifier:** ISO 1628-2:1998 _(verified: appears in the quote below)_
- **Item title:** Plastics — Determination of the viscosity of polymers in dilute solution using capillary viscometers — Part 2: Poly(vinyl chloride) resins _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 1628-2:2020
- **Withdrawn / published date:** 1998-12-10 _(verified: appears in the quote below)_

## What the source says

> 25191,IS,,ISO 1628-2:1998,Plastics — Determination of the viscosity of polymers in dilute solution using capillary viscometers — Part 2: Poly(vinyl chloride) resins,Plastiques — Détermination de la viscosité des polymères en solution diluée à l'aide de viscosimètres à capillaires — Partie 2: Résines de poly(chlorure de vinyle),1998-12-10,2,['83.080.20'],ISO/TC 61/SC 9,9599,[6228],[80453],"['en','fr']",14,"<p>This part of ISO 1628 specifies conditions for the determination of the reduced viscosity (also known as viscosity</p><p>number) and <i>K-</i>value of PVC resins. It is applicable to resins in powder form which consist of homopolymers of the</p><p>monomer vinyl chloride and copolymers, t

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).