# ISO 3953:1993 — Withdrawn and superseded ISO standards

For ISO 3953:1993, item title is Metallic powders — Determination of tap density; status code is 9599; successor is ISO 3953:2011; withdrawn / published date is 1993-10-07, recorded from its source on 2026-08-05.

- **Identifier:** ISO 3953:1993 _(verified: appears in the quote below)_
- **Item title:** Metallic powders — Determination of tap density _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 3953:2011
- **Withdrawn / published date:** 1993-10-07 _(verified: appears in the quote below)_

## What the source says

> 20104,IS,,ISO 3953:1993,Metallic powders — Determination of tap density,Poudres métalliques — Détermination de la masse volumique après tassement,1993-10-07,3,['77.160'],ISO/TC 119/SC 2,9599,"[9607,9608]",[56508],"['en','fr']",3,"<p>The principle of the method specified is tapping a specified amount of powder in a container by means of a tapping apparatus until no further decrease in the volume of the powder takes place. The mass of the powder divided by its volume after the test gives its tap density. By agreement, the tapping may be carried out by hand.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).