# ISO 3378:1975 — Withdrawn and superseded ISO standards

For ISO 3378:1975, item title is Leather — Determination of resistance to grain cracking, and of crack index; status code is 9599; successor is ISO 3378:2002; withdrawn / published date is 1975-11-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 3378:1975 _(verified: appears in the quote below)_
- **Item title:** Leather — Determination of resistance to grain cracking, and of crack index _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 3378:2002
- **Withdrawn / published date:** 1975-11-01 _(verified: appears in the quote below)_

## What the source says

> 8669,IS,,ISO 3378:1975,"Leather — Determination of resistance to grain cracking, and of crack index",Cuir — Détermination de la résistance de la fleur à la flexion et de l'indice de gerçure,1975-11-01,1,['59.140.30'],IULTCS,9599,,[31149],"['en','fr']",4,"<p>Principle: bending of the leather around a mandrel of known diameter and observation of wether the leather cracks. Specification of apparatus including mandrel diameters, test pieces, procedure including determination of crack index and test report. Figures show the procedure of bending and details of the construction of the test apparatus. The method is applicable particularly to heavy leathers.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).