# ISO 4575:1978 — Withdrawn and superseded ISO standards

For ISO 4575:1978, item title is Plastics — Polyvinyl chloride pastes — Determination of apparent viscosity using the Severs rheometer; status code is 9599; successor is ISO 4575:1985; withdrawn / published date is 1978-08-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4575:1978 _(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 4575:1985
- **Withdrawn / published date:** 1978-08-01 _(verified: appears in the quote below)_

## What the source says

> 10498,IS,,ISO 4575:1978,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,1978-08-01,1,['83.080.20'],ISO/TC 61,9599,,[10499],"['en','fr']",6,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).