# ISO 1265:1979 — Withdrawn and superseded ISO standards

For ISO 1265:1979, item title is Plastics — Polyvinyl chloride resins — Determination of number of impurities and foreign particles; status code is 9599; successor is ISO 1265:2007; withdrawn / published date is 1979-07-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 1265:1979 _(verified: appears in the quote below)_
- **Item title:** Plastics — Polyvinyl chloride resins — Determination of number of impurities and foreign particles _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 1265:2007
- **Withdrawn / published date:** 1979-07-01 _(verified: appears in the quote below)_

## What the source says

> 5867,IS,,ISO 1265:1979,Plastics — Polyvinyl chloride resins — Determination of number of impurities and foreign particles,Plastiques — Résines de polychlorure de vinyle — Détermination du nombre d'impuretés et corps étrangers,1979-07-01,1,['83.080.20'],ISO/TC 61/SC 9,9599,,[34842],"['en','fr']",3,"<p>Specification of a visual method of determining the number of impurities and foreign particles in polyvinylchloride resin. About 200 g of resin are flattened between a rigid white plate and a glass sheet containing a grid. The impurities and foreign particles visible in 25 squares (= 225 cm ) and having a diameter equal or greater than 0,250 mm are counted. Expression of the result by extrapolat

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).