# ISO 9177-2:1989 — Withdrawn and superseded ISO standards

For ISO 9177-2:1989, item title is Mechanical pencils — Part 2: Black leads — Classification and dimensions; status code is 9599; successor is ISO 9177-2:2022; withdrawn / published date is 1989-03-16, recorded from its source on 2026-08-05.

- **Identifier:** ISO 9177-2:1989 _(verified: appears in the quote below)_
- **Item title:** Mechanical pencils — Part 2: Black leads — Classification and dimensions _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 9177-2:2022
- **Withdrawn / published date:** 1989-03-16 _(verified: appears in the quote below)_

## What the source says

> 16782,IS,,ISO 9177-2:1989,Mechanical pencils — Part 2: Black leads — Classification and dimensions,Porte-mine — Partie 2: Mines graphite — Classification et dimensions,1989-03-16,1,"['01.100.40','97.180']",ISO/TC 10,9599,,[83353],"['en','fr']",2,"<p>Two types are available, black leads in which the binding agent is an organic polymer (designated by the letter 'P'), and black leads in which the binding agent is clay (designated by the letter 'C'). Classification is made according to the degree of hardness. Part 1 deals with the classification, dimensions, performance requirements and testing.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).