# ISO 4575:1985 — Withdrawn and superseded ISO standards

For ISO 4575:1985, item title is Plastics — Polyvinyl chloride pastes — Determination of apparent viscosity using the Severs rheometer; status code is 9599; successor is ISO 4575:2007; withdrawn / published date is 1985-08-29, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4575:1985 _(verified: appears in the quote below)_
- **Item title:** Plastics — Polyvinyl chloride pastes — Determination of apparent viscosity using the Severs rheometer _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4575:2007
- **Withdrawn / published date:** 1985-08-29 _(verified: appears in the quote below)_

## What the source says

> 10499,IS,,ISO 4575:1985,Plastics — Polyvinyl chloride pastes — Determination of apparent viscosity using the Severs rheometer,Plastiques — Pâtes de polychlorure de vinyle — Détermination de la viscosité apparente au rhéomètre Severs,1985-08-29,2,['83.080.20'],ISO/TC 61/SC 9,9599,[10498],[43695],"['en','fr']",6,"<p>Specification of a method for determining the apparent viscosity, at high shear, of polyvinylchloride pastes prepared from polyvinylchloride polymers and plasticizers. It applies in particular to 'standard pastes' according ISO 4612. Placing of a sample in a Severs rheometer and setting of the jacket to a defined temperature. Measurement of the flow rate of the paste through a cali

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).