# ISO 23581:2020 — Withdrawn and superseded ISO standards

For ISO 23581:2020, item title is Petroleum products and related products — Determination of kinematic viscosity — Method by Stabinger type viscometer; status code is 9599; successor is ISO 23581:2024; withdrawn / published date is 2020-07-17, recorded from its source on 2026-08-05.

- **Identifier:** ISO 23581:2020 _(verified: appears in the quote below)_
- **Item title:** Petroleum products and related products — Determination of kinematic viscosity — Method by Stabinger type viscometer _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 23581:2024
- **Withdrawn / published date:** 2020-07-17 _(verified: appears in the quote below)_

## What the source says

> 76107,IS,,ISO 23581:2020,Petroleum products and related products — Determination of kinematic viscosity — Method by Stabinger type viscometer,Produits pétroliers et produits connexes — Détermination de la viscosité cinématique — Méthode avec un viscosimètre type Stabinger,2020-07-17,1,['75.080'],ISO/TC 28,9599,,[81855],['en'],9,"<p>This document specifies a procedure for the determination of kinematic viscosity (<i>ν</i>) at 40 °C in the range from 2 mm<sup>2</sup>/s to 6 mm<sup>2</sup>/s by calculation from dynamic viscosity (<i>η</i>) and density (<i>ρ</i>) of middle distillate fuels, fatty acid methyl ester fuels (FAME) and mixtures of these using the Stabinger type viscometer.</p><p>The

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).