# ISO 8773:1991 — Withdrawn and superseded ISO standards

For ISO 8773:1991, item title is Polypropylene (PP) pipes and fittings for buried drainage and sewerage systems — Specifications; status code is 9599; successor is ISO 8773:2006; withdrawn / published date is 1991-05-16, recorded from its source on 2026-08-05.

- **Identifier:** ISO 8773:1991 _(verified: appears in the quote below)_
- **Item title:** Polypropylene (PP) pipes and fittings for buried drainage and sewerage systems — Specifications _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 8773:2006
- **Withdrawn / published date:** 1991-05-16 _(verified: appears in the quote below)_

## What the source says

> 16188,IS,,ISO 8773:1991,Polypropylene (PP) pipes and fittings for buried drainage and sewerage systems — Specifications,Tubes et raccords en polypropylène (PP) pour les systèmes d'assainissement enterrés et les égouts souterrains — Spécifications,1991-05-16,1,"['93.030','23.040.45','91.140.80','23.040.20']",ISO/TC 138/SC 1,9599,,[39902],"['en','fr']",15,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).