# ISO 26422:2011 — Withdrawn and superseded ISO standards

For ISO 26422:2011, item title is Petroleum and related products — Determination of shear stability of lubricating oils containing polymers — Method using a tapered roller bearing; status code is 9599; successor is ISO 26422:2014; withdrawn / published date is 2011-03-10, recorded from its source on 2026-08-05.

- **Identifier:** ISO 26422:2011 _(verified: appears in the quote below)_
- **Item title:** Petroleum and related products — Determination of shear stability of lubricating oils containing polymers — Method using a tapered roller bearing _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 26422:2014
- **Withdrawn / published date:** 2011-03-10 _(verified: appears in the quote below)_

## What the source says

> 43575,IS,,ISO 26422:2011,Petroleum and related products — Determination of shear stability of lubricating oils containing polymers — Method using a tapered roller bearing,Pétrole et produits connexes — Détermination de la stabilité au cisaillement des huiles lubrifiantes contenant des polymères — Méthode avec roulement à rouleaux coniques,2011-03-10,1,['75.100'],ISO/TC 28,9599,,[63727],['en'],9,"<p>ISO 26422:2011 specifies a method of determining the shear stability of polymer-containing lubricating oils, including pressure fluids, by the four-ball tester as specified in ISO 20623, but using a tapered roller bearing. The test results allow prediction of the in-service permanent viscosity los

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).