# ISO/TR 9774:1990/Cor 1:1991 — Withdrawn and superseded ISO standards

For ISO/TR 9774:1990/Cor 1:1991, item title is Thermal-insulation materials — Application categories and basic requirements — Guidelines for the harmonization of International Standards and other specifications — Technical Corrigendum 1; status code is 9599; successor is ISO 9774:2004; withdrawn / published date is 1991-12-12, recorded from its source on 2026-08-05.

- **Identifier:** ISO/TR 9774:1990/Cor 1:1991 _(verified: appears in the quote below)_
- **Item title:** Thermal-insulation materials — Application categories and basic requirements — Guidelines for the harmonization of International Standards and other specifications — Technical Corrigendum 1 _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 9774:2004
- **Withdrawn / published date:** 1991-12-12 _(verified: appears in the quote below)_

## What the source says

> 17636,IS,Cor,ISO/TR 9774:1990/Cor 1:1991,Thermal-insulation materials — Application categories and basic requirements — Guidelines for the harmonization of International Standards and other specifications — Technical Corrigendum 1,Produits isolants thermiques pour le bâtiment — Catégories d'applications et caractéristiques relatives aux performances maximales — Guide pour l'harmonisation des Normes internationales et autres spécifications — Rectificatif technique 1,1991-12-12,1,['83.100'],ISO/TC 61/SC 10,9599,,[29776],['en'],1,"<p>Table 3: in the 'Performance characteristics' column, line f, right-hand side, replace 'between 20°C' by 'between 20°C and 60°C'.</p>"

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).