# ISO 4898:1984/Add 1:1988 — Withdrawn and superseded ISO standards

For ISO 4898:1984/Add 1:1988, item title is Cellular plastics — Specification for rigid cellular materials used in the thermal insulation of buildings — Addendum 1: Phenol-formaldehyde cellular plastics (RC/PF); status code is 9599; successor is ISO 4898:2004; withdrawn / published date is 1988-12-29, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4898:1984/Add 1:1988 _(verified: appears in the quote below)_
- **Item title:** Cellular plastics — Specification for rigid cellular materials used in the thermal insulation of buildings — Addendum 1: Phenol-formaldehyde cellular plastics (RC/PF) _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4898:2004
- **Withdrawn / published date:** 1988-12-29 _(verified: appears in the quote below)_

## What the source says

> 10912,IS,Add,ISO 4898:1984/Add 1:1988,Cellular plastics — Specification for rigid cellular materials used in the thermal insulation of buildings — Addendum 1: Phenol-formaldehyde cellular plastics (RC/PF),Plastiques alvéolaires — Spécifications des matériaux rigides utilisés dans l'isolation thermique des bâtiments — Additif 1: Mousse phénol-formaldéhyde (AR/PF),1988-12-29,1,['83.100'],ISO/TC 61/SC 10,9599,,[31266],"['en','fr']",3,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).